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Mitsui & Co Ltd Patents

What Mitsui & Co Ltd has filed at the patent office — applications as well as grants, because a filing is on the record eighteen months before anyone has to say what it was for.

MITSY on carbonthat →
Filings on file
57
Granted
0
Still pending
57
Filed under
15 names

57 filings

Newest filing first. A pending application has no patent number yet, and most never get one.

InventionPatent
Niobic Acid Aqueous SolutionC01G 33/00, C01G 33/003, C01G 33/006, Y02P 10/20, C01P2002/72, C01P2004/64, Y02E 40/60Filed as MITSUI KINZOKU COMPANY, LIMITED2026-06-04Syuhei HARApending
SOLVENT FOR GAS CHROMATOGRAPY MASS SPECTOMETRY, AND METHOD FOR DETERMINATION OF FLUORINE-CONTAINING SUBSTANCES ON THE SURFACE OF FLUORORESIN MELT-MOLDED PRODUCTSG01N 30/02, G01N 30/06, G01N 30/7206, G01N 30/88, G01N 30/34, G01N 30/72, G01N2030/025, G01N2030/8872Filed as CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.2026-03-20HIROMASA YABEpending
MOLD PART USED FOR INJECTION MOLDING OF THERMOPLASTIC RESIN AND INJECTION MOLDING METHOD OF THERMOPLASTIC RESINB29C 33/44, B29C 45/40, B29C 45/44, B29C 37/0017, B29C 45/26, B29C 45/36, B29C 45/4435, B29C2045/363, B29C2045/4068, B29C2045/4089, B29C2045/4492, B29K2027/12, B29L2023/22Filed as CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.2026-03-12AKIFUMI MATSUSHITApending
POLYURETHANE ELASTOMER AND METHOD OF PRODUCING POLYURETHANE ELASTOMERFiled as MITSUI CHEMICALS, INC.2026-02-04Hiroaki TAGOpending
HEAT-MELTABLE FLUORORESIN FOR INJECTION MOLDINGFiled as CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.2026-02-03HITOMI NISHIMURApending
HEAT-MELTABLE FLUORORESIN FOR INJECTION MOLDINGFiled as CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.2026-02-03DAISUKE KIMURApending
KIT FOR PREPARING CURABLE COMPOSITION FOR DENTAL MATERIAL, CURABLE COMPOSITION FOR DENTAL MATERIAL, AND DENTAL MATERIALA61K 6/30, A61K 6/77, A61K 6/838, A61K 6/887, A61K 6/54, A61K 6/76, A61K 6/61, A61K 6/62, A61K 6/893, A61K 6/896, C08L 33/08, C08L 33/10Filed as MITSUI CHEMICALS, INC.2026-01-12Takahiro DANJOpending
METAL POWDER, METHOD FOR PRODUCING METAL POWDER, AND METHOD FOR PRODUCING LAMINATED MOLDED ARTICLE USING METAL POWDERFiled as Mitsui Kinzoku Company, Limited2026-01-09Akira KITAGAWApending
PHOTOCURABLE COMPOSITION, THREE-DIMENSIONAL OBJECT, CASTING MOLD, METHOD FOR MANUFACTURING CURED ARTICLE, AND METHOD FOR MANUFACTURING DENTAL PROSTHESISFiled as MITSUI CHEMICALS, INC.2026-01-02Suguru ENDOpending
RESIN COMPOSITION, MOLDED BODY, AND OPTICAL COMPONENTC08F 210/02, C08F2800/10, C08K 5/053, C08K 5/098, C08K 5/103, C08K 5/34926, G02B 1/041Filed as MITSUI CHEMICALS, INC.2025-12-30Masakatsu KASUYApending
SUBSTRATE LAMINATEH10W 90/792, B32B 9/045, B32B2250/03, B32B2457/14Filed as MITSUI CHEMICALS, INC.2025-12-24Wataru OKADApending
SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, OLEFIN POLYMERIZATION METHOD, AND PROPYLENE POLYMERC08F 4/16, C08F 110/06, Y02P 20/52, C08F2500/34, C08F2500/35, C08F 4/6465, C08F 4/6494, C08F 4/651, C08F 4/6545, C08F 10/06, C08F2410/04, C08F2500/12, C08F2500/18, C08F2500/04, C08F2500/01, C08F2500/33Filed as MITSUI CHEMICALS, INC.2025-12-22Takashi KIMURApending
METHOD OF PRODUCING THIOURETHANE RESIN RAW MATERIAL AND APPLICATION THEREOF, METHOD OF PRODUCING POLYTHIOL COMPOSITION AND APPLICATION THEREOF, AND POLYTHIOL COMPOSITIONC07C 319/22, C08G 18/3876, C08G 18/7642, C08G 18/833, Y02W 30/62, C07C 209/62, C07C 211/27, C07C 217/02, C07C 263/10, C07C 265/08, C07C 273/02, C07C 319/02, C07C 319/20, C07C 321/14, C07C 323/64, C08G 18/2865, C08G 18/3228, C08G 18/3271, C08G 18/3855, C09D 175/04, G02B 1/00, G02B 1/041, G02B 3/00, G02C 7/02, C08L 75/04, C08L 81/00Filed as MITSUI CHEMICALS, INC.2025-12-18Masakazu MURAKAMIpending
LAMINATED IRON CORE AND MANUFACTURING METHOD FOR LAMINATED IRON COREH02K 1/32, H02K 9/19, H02K 15/027, H02K 15/0273, H02K 1/16, H02K 1/20, H02K 1/276, H02K 1/2766Filed as Mitsui High-tec, Inc.2025-12-08Sho HATTORIpending
CLIP FOR PELLICLE STORAGE CONTAINER, PELLICLE CASING, AND PELLICLEB65D 45/16, B65D 85/38, G03F 1/66Filed as MITSUI CHEMICALS, INC.2025-12-08Shu NISHIGOCHIpending
STATOR COREH02K 1/16, H02K 1/148, H02K 1/185Filed as MITSUI HIGH-TEC, INC.2025-12-02Fumiaki YAMATOpending
STATOR COREH02K 1/148, H02K 1/185, H02K2213/03, Y02T 10/64Filed as MITSUI HIGH-TEC, INC.2025-12-02Fumiaki YAMATOpending
BACTERIOPHAGE HAVING BACTERIOLYTIC ACTIVITY AGAINST XANTHOMONAS BACTERIAA01N 63/40, C12Q 1/04, A01P 1/00, C07K 14/01, C12N 1/00, C12N 1/02, C12N 1/06, C12N 1/20, C12N 7/00, C12N 15/11, C12Q 1/70Filed as MITSUI & CO., LTD.2025-11-26Shinichi Yoshidapending
ADHESIVE FILM AND METHOD FOR MANUFACTURING ELECTRONIC DEVICEC09J 7/385, C09J 7/255, C09J 7/38, C08F 220/1804, C08F 220/1808, C09J2301/312, C09J2301/408, C09J2301/412, C09J2301/502, C09J2301/302, C09J2301/1242, H10W 74/019, H10W 72/241, H10W 72/0198, H10P 72/74, H10P 72/7442, H10W 74/47, H10W 70/09, H10P 72/7412, H10W 74/01, C08K 5/23, C09J 5/06, C09J 11/06, C09J 133/08, C09J2203/326, C09J2433/00, C09J2463/00, C09J2467/006, H05K 1/185, H05K 3/0052, H05K2201/049, C08F 220/14, C08F 220/20, C08F 220/06, C08F 220/1802, C08F 222/102Filed as Mitsui Chemicals ICT Materia, Inc2025-11-25Toru MIURApending
THIOURETHANE FILM, ROLL, LENS, GLASSES, METHOD FOR PRODUCING (THIO)URETHANE-BASED RESIN FILM, AND METHOD FOR PRODUCING LAMINATED LENSC08J 5/18, C08G 18/3865, C08J2375/04, C08K 5/0091, C08L 75/04, C08L2203/16, G02B 1/041, G02C 7/02, G02C2202/16Filed as MITSUI CHEMICALS, INC.2025-11-17Seiya HIROSHIGEpending
METHOD FOR MANUFACTURING JOINT STRUCTURE, METHOD FOR MANUFACTURING LAMINATE, AND JOINT METHODH10W 72/07332, B23K2101/40, H10W 72/352, B23K 1/0016, B23K 35/025, B23K 35/302Filed as MITSUI KINZOKU COMPANY, LIMITED2025-11-17Yuki SHIRAKAWApending
PELVIC BOTTOM MUSCLE SUPPORT CLOTHINGA41B 9/04, A41B 9/004Filed as MITSUI MEDICAL JAPAN CO., LTD.2025-11-10Keiko MITSUIpending
COATING COMPOSITION FOR RUBBER SEALING MEMBERC09D 115/005, C09D 127/18, C09D 7/65, C09D 7/61, C09D 7/63, C08F 114/26, C08F 214/26, C08F 214/262, C08K 3/04, C08K 5/544, C08K 13/02, C08L 1/28, C08L 15/005, C08L 27/18, C08L2205/03, C08F 214/28, C08F 216/1408Filed as CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.2025-11-04HOAI-NAM PHAMpending
SEMICONDUCTOR STRUCTURE AND METHOD FOR PRODUCING SAMEH10W 74/47, H10W 72/30, H10W 70/685, H10W 20/211, H10W 72/013, H10W 80/301, H10W 90/00, H10W 70/635, H10W 70/65, H10W 20/20, H10W 74/131, H10W 90/792, H10W 20/435, H10W 72/071, H10W 42/121Filed as MITSUI CHEMICALS, INC.2025-10-27Yasuhisa KAYABApending
COATING AGENT AND LAMINATEC09D 5/024, C09D 175/04, D21H 19/24, C09D 7/61, C09D 7/43, C08G 18/0823, C08G 18/0866, C08G 18/12, C08G 18/3206, C08G 18/3271, C08G 18/348, C08G 18/724, C08G 18/758, C08G 18/7642, C08G 18/8035, C08G2150/00, C08K 3/34, C08K 3/346, C08K2003/343, D21H 17/57, D21H 19/14, D21H 19/40, D21H 19/62, D21H 19/826, D21H 21/14, D21H 27/30, C08L 75/04Filed as MITSUI CHEMICALS, INC.2025-10-21Kazuyuki FUKUDApending
WATER-BASED COATING COMPOSITIONC09D 7/61, C09D 5/028, C09D 7/69, C09D 7/68, C09D 7/45, C09D 7/63, C08K 3/14, C08K 3/34, C08K 5/0091, C08K2201/003, C08K2201/005, C09D 5/08, C09D 163/00Filed as CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.2025-10-10MASAMICHI SATOpending
FOOTWEARA43B 7/00, A43B 7/147, A43B 3/06, A43B 7/146, A43B 23/0235, A43B 23/027, A43B 23/0275Filed as MITSUI MEDICAL JAPAN CO., LTD.2025-10-07Keiko MITSUIpending
METAL FOILB32B 15/01, H01M 4/667, B32B2307/7376, B32B 15/20, B32B2250/02, B32B2311/12, B32B2311/20, B32B2457/10, C22C 18/00, C25D 3/22, C25D 3/565, C25D 7/0614, H01M 4/0404, H01M 4/0452, H01M 4/244, H01M 4/661, H01M2004/021, Y02E 60/10Filed as MITSUI MINING & SMELTING CO., LTD.2025-10-06Daisuke MAGORIpending
METHOD FOR PRODUCING SEMICONDUCTOR DEVICE AND LAYERED OBJECT FOR SEMICONDUCTOR DEVICEH10P 72/7416, C09J 179/08, C09J2301/502, H10P 50/692, H10P 52/00, H10P 52/402, H10P 95/00, H10P 72/74, H10P 72/7442, H10P 72/7424, C08G 73/10, C09J2203/326Filed as MITSUI CHEMICALS, INC.2025-10-03Rikuo KAJIWARApending
BACTERIOPHAGE, COMPOSITION, AND METHOD FOR CONTROLLING BACTERIA OF THE GENUS SALMONELLAA61K 35/76, C12N 7/00, A23K 10/16, A23L 33/10, A61P 43/00, Y02A 50/30, A61P 31/04, A01N 63/40, C12N 1/165, C12R2001/42, A01P 1/00, C07K 14/005, C12N2795/00021, C12N2795/00022, C12N2795/00031, C12N2795/00032, C12Q 1/10, C12Q 1/70Filed as MITSUI & CO., LTD.2025-09-30Shinichi Yoshidapending
BACTERIOPHAGES, LYTIC AGENTS FOR SALMONELLA SPECIES, COMPOSITIONS, AND METHOD FOR CONTROLLING SALMONELLA SPECIESA61P 31/04, A61K 35/76, A23K 10/16, A23K 10/18, A23L 33/10, A61P 17/00, Y02A 50/30, A01N 63/40, A01P 1/00, A23B 2/729, A61Q 17/00, A61Q 19/10, C07K 14/005, C07K 14/01, C11D 3/48, C12N 1/20, C12N 7/00, C12N 9/14, C12N 15/11, C12N2795/00021, C12N2795/00022, C12N2795/00032, C12N2795/10021, C12N2795/10121, C12Q 1/70Filed as MITSUI & CO., LTD.2025-09-30Shinichi Yoshidapending
BACTERIOPHAGE, SALMONELLA BACTERIOLYTIC AGENT, COMPOSITION, AND METHOD FOR CONTROLLING BACTERIA OF THE GENUS SALMONELLAA01N 63/40, C12Q 1/10, Y02A 50/30, A61P 31/04, A01P 1/00, A61K 35/76, C11D 3/381, C11D 3/48, C12N 1/06, C12N 7/00, C12N2795/00021, C12N2795/00022, C12N2795/00031, C12Q 1/18, G01N2333/005, G01N2333/255Filed as MITSUI & CO., LTD.2025-09-30Shinichi Yoshidapending
PLANT DISEASE CONTROL COMPOSITION, PLANT DISEASE CONTROL METHOD, AND USE OF ORGANIC SILICONE-BASED SURFACTANTA01N 63/40, C12N 7/00, A01P 1/00, A01N 25/02, C12N2710/14121, C12N2710/14132, C12N2795/10121, C12N2795/10132, C12N2795/10321, C12N2795/10332, A01N 25/30Filed as MITSUI & CO., LTD.2025-09-29Nobuhiko Dojunpending
BEA-TYPE ZEOLITEFiled as MITSUI MINING & SMELTING CO., LTD.2025-09-29Shinji SHINDOpending
URETHANE PREPOLYMER, POLYURETHANE RESIN RAW MATERIAL, COMPOSITE MATERIAL, AND METHOD FOR PRODUCING COMPOSITE MATERIALFiled as MITSUI CHEMICALS, INC.2025-09-29Takeshi ITOpending
COMPOSITION, SUBSTRATE LAYERED BODY, AND METHOD OF MANUFACTURING SUBSTRATE LAYERED BODYFiled as MITSUI CHEMICALS, INC.2025-09-29Takuo SHIKAMApending
METHOD FOR PRODUCING ZEOLITEFiled as MITSUI MINING & SMELTING CO., LTD.2025-09-29Shinji SHINDOpending
EXHAUST GAS PURIFICATION CATALYSTFiled as MITSUI MINING & SMELTING CO., LTD.2025-09-26Kohei TAKASAKIpending
CARBAMATE COMPOUNDC07C 271/44, C07D 295/205, C07C 275/32Filed as MITSUI CHEMICALS, INC.2025-09-26Makoto ISOGAIpending
COMPOSITION, UNDERCOAT LAYER, ELECTRODE, AND LITHIUM-ION SECONDARY BATTERYH01M 4/62, H01M 4/667, H01M 4/13, H01M 4/668, H01M 10/0525, H01M2004/021, Y02E 60/10Filed as MITSUI CHEMICALS, INC.2025-09-26Nan FANGpending
EXHAUST GAS PURIFICATION CATALYSTB01J 35/57, B01D 53/94, B01J 35/64, B01J 35/30, B01J 35/55, B01J 35/70, B01D 53/9454, B01D2255/1023, B01D2255/1025, B01D2255/2092, B01D2255/407, B01D2255/9022, B01D2255/908, B01D2255/9155, B01D2255/9202, B01D2255/9205, B01D2258/01, B01D2258/012, B01J 23/63, B01J 37/0018, B01J 37/0215, B01J 37/0219, F01N 3/021, F01N 3/0222, F01N 3/035, F01N2510/068Filed as MITSUI MINING & SMELTING CO., LTD.2025-09-26Shingo AKITApending
POROUS BODY, ADSORBENT INCLUDING THE POROUS BODY, AND METHOD OF REMOVING METAL AND/OR METAL ION WITH THE ADSORBENTB01J 20/3248, C02F 1/288, Y02P 10/20, B01J 20/06, B01J 20/08, B01J 20/10, B01J 20/103, B01J 20/22, B01J 20/28011, B01J 20/28057, B01J 20/28069, B01J 20/28071, B01J 20/28083, B01J 20/28092, B01J 20/3204, B01J 20/3219, B01J 20/3236, B01J 20/3259, B01J 20/3291, B01J 20/3293, C01B 33/12, C01B 33/155, C01B 33/158, C01P2006/12, C01P2006/14, C01P2006/16, C02F 1/281, C02F 1/285, C02F2101/20, C02F2101/203, C02F2101/206, C02F2101/22Filed as MITSUI MINING & SMELTING CO., LTD.2025-09-26Hayato SASAKIpending
FLUORESCENT BODY POWDER, FLUORESCENT BODY RESIN COMPOSITION, FLUORESCENT BODY, LIGHT-EMITTING ELEMENT, AND LIGHT-EMITTING DEVICEC09K 11/02, C09K 11/625, H10H 20/80, H10H 20/8513, H10H 20/0361, H10H 20/851, H10H 20/8511, H10H 20/8512, C09K 11/025, C09K 11/0883, C09K 11/62, C09K 11/643, C09K 11/7703, C09K 11/7731, C09K 11/7734, G02B 5/20, H05B 33/14Filed as Mitsui Mining & Smelting Co., Ltd.2025-09-25Hiroto KIMURApending
LAMINATE AND PACKAGING MATERIALB65D 65/42, D21H 19/80, D21H 19/82, B65D 65/40, B65D2565/387, C08G 18/0823, C08G 18/0866, C08G 18/12, C08G 18/3206, C08G 18/3271, C08G 18/348, C08G 18/724, C08G 18/758, C08G 18/7642, C09D 123/0869, C09D 133/00, C09D 175/04, D21H 19/12, D21H 19/24, D21H 27/10, C08F 212/08, C08F 220/1808, C08F 220/14, C08F 220/06, C08F 220/56, C08L 23/0869Filed as MITSUI CHEMICALS, INC.2025-09-25Kazuyuki FUKUDApending
SOLID TITANIUM CATALYST COMPONENT, CATALYST FOR POLYMERIZING OLEFIN, AND METHOD FOR POLYMERIZING OLEFINC08F 4/651, C08F 4/6543, C08F 110/06, B01J 31/1691, B01J2231/12, B01J2531/0208, B01J2531/22, B01J2531/46, C08F 4/6495, C08F 10/00, C08F 4/6465, C08F 4/6492, C08F2500/18, C08F2500/12, C08F2500/35, C08F2500/33, C08F2500/34, C08F2500/04, C08F2500/20, C08F2500/15Filed as MITSUI CHEMICALS, INC.2025-09-23Takashi KIMURApending
METHOD OF PRODUCING POLYAMINE COMPOUND AND APPLICATION THEREOFC07C 319/22, C08G 18/3876, C08G 18/7642, C08G 18/833, Y02W 30/62, C07C 209/62, C07C 211/27, C07C 217/02, C07C 263/10, C07C 265/08, C07C 273/02, C07C 319/02, C07C 319/20, C07C 321/14, C07C 323/64, C08G 18/2865, C08G 18/3228, C08G 18/3271, C08G 18/3855, C09D 175/04, G02B 1/00, G02B 1/041, G02B 3/00, G02C 7/02, C08L 75/04, C08L 81/00Filed as Mitsui Chemicals, Inc.2025-09-23Masakazu MURAKAMIpending
METAL-RESIN COMPOSITE, AND METHOD FOR PRODUCING SAMEC09J 123/36, C08F 8/30, C09J 5/06, C09J2400/166, C09J2423/00Filed as MITSUI CHEMICALS, INC.2025-09-23Wataru MAKIGUCHIpending
AMIDE COMPOUNDC07C 233/36, C07C 233/65, C07C 233/78, B01J 21/063, C07C 233/05Filed as MITSUI CHEMICALS, INC.2025-09-23Makoto ISOGAIpending
ETHYLENE RESIN COMPOSITION AND MOLDED BODYC08L 23/06, C08K 3/041, C08F 110/02, C08L2205/025, C08L2207/068, C10M 105/04, C10M 125/02, C10M2201/041, C10M2205/0225, C10N2050/08, C08K 3/04, C08F 2/001, C08F2500/17, C08F 4/6555Filed as MITSUI CHEMICALS, INC.2025-09-22Chihiro KOMATSUpending
SOLID TITANIUM CATALYST COMPONENT, CATALYST FOR OLEFIN POLYMERIZATION, AND METHOD FOR POLYMERIZING OLEFINFiled as MITSUI CHEMICALS, INC.2025-09-17Makoto ISOGAIpending
RUBBER COMPOSITION FOR TIRESB60C 1/00, C08L 9/06, B60C 1/0016, B60C 1/0025, C08L 25/16, C08L2205/02, C08F 212/12, C08F 212/08Filed as MITSUI CHEMICALS, INC.2025-09-17Yosuke TAKAHASHIpending
CONNECTION BASE, PLANT, AND INSTALLATION METHODF17C 9/00, F17C 13/08, F17C 13/12, F17C2205/01, F17C2205/0103, F17C2205/0107, F17C2205/0111, F17C2205/0153, F17C2205/0169, F17C2205/0184, F17C2205/037, F17C2221/012, F17C2223/0123, F17C2223/0161, F17C2260/04, F17C2265/06, F17C2265/065, F17C2270/0139Filed as MITSUI E&S CO., LTD.2025-09-16Kinya ICHIMURApending
NON-TRANSITORY COMPUTER READABLE MEDIUM, DIAGNOSTIC METHOD, AND DIAGNOSTIC DEVICEG01J 5/48, G01M 15/048, G01N 25/72, G01J2005/0077, G01M 15/00, G01M 99/00, G01M 99/002Filed as Mitsui E&S DU Co., Ltd.2025-09-15Takashi FUJIIpending
SOLID ELECTROLYTE AND METHOD FOR PRODUCING SAMEH01M 4/13, H01M 10/0562, C01B 25/14, C01D 15/00, C01P2002/72, C01P2002/74, C01P2004/61, H01B 1/10, H01M 4/139, H01M 4/62, H01M 10/052, H01M 10/0585, H01M2300/0068, Y02E 60/10Filed as MITSUI KINZOKU COMPANY, LIMITED2025-09-10Kyohei SEKINEpending
GAS ABSORBENT-SUPPORTING POROUS SUBSTRATEB01J 20/262, B01D 53/1425, B01D 53/1475, B01D 53/1493, B01D2252/2026, B01D2252/20415, B01D2252/504, B01D2257/504, B01J 6/001, B01J 20/28042, B01J 20/28097, B01J 20/3007, B01J 20/3425, B01J 20/3483Filed as MITSUI KINZOKU COMPANY, LIMITED2025-09-09Kiyoshi HIGUCHIpending
COMPOUND, COMPOUND PARTICLES, NEAR-INFRARED TRANSMISSION MATERIAL, AND NEAR-INFRARED TRANSMISSION FILMFiled as MITSUI KINZOKU COMPANY, LIMITED2025-09-08Akinobu TANAKApending
STRIKER FOR DOOR LATCHE05B 85/045, E05B 17/0004Filed as MITSUI KINZOKU ACT CORPORATION2025-09-08Hyunsuk SONGpending

Filings are matched to the company by applicant name, so a subsidiary filing under its own name is only here if that name resolves to this company. The applicant is printed as filed, which makes a wrong match visible. A patent is not a product: most applications are never granted, and most grants are never built.

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