Inventor
SUKEGAWA MASAMICHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “SUKEGAWA MASAMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIKIN IND LTD
26 patentsUS11767379B2Sep 26, 2023
Method for manufacturing fluoropolymer
DAIKIN IND LTD7 citations85
US10538605B2Jan 21, 2020
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD8 citations83
US6451903B1Sep 17, 2002
Filled particulate powder of polytetrafluoroethylene and process for preparing the same
DAIKIN IND LTD11 citations74
US6350801B1Feb 26, 2002
Filled granular polytetrafluoroethylene powder
DAIKIN IND LTD13 citations74
US6197862B1Mar 6, 2001
Filled polytetrafluoroethylene granular powder and process for the production thereof
DAIKIN IND LTD9 citations73
US6037402AMar 14, 2000
Granular powder of filled polytetrafluoroethylene and process for the production thereof
DAIKIN IND LTD12 citations73
US11512155B2Nov 29, 2022
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD3 citations72
US11279814B2Mar 22, 2022
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD2 citations72
US10870735B2Dec 22, 2020
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD1 citations72
US10793650B2Oct 6, 2020
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD2 citations72
US10731015B2Aug 4, 2020
Modified fluorine-containing copolymer, fluorine resin molded article, and method for manufacturing fluorine resin molded article
DAIKIN IND LTD3 citations71
US6759470B2Jul 6, 2004
Resin powder for molding and preparation process of same
DAIKIN IND LTD6 citations63
US12410266B2Sep 9, 2025
Method for manufacturing fluoropolymer
DAIKIN IND LTD0 citations62
US12404387B2Sep 2, 2025
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD0 citations62
US12012470B2Jun 18, 2024
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD0 citations62
US12006407B2Jun 11, 2024
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD0 citations62
US11952441B2Apr 9, 2024
Polytetrafluoroethylene production method
DAIKIN IND LTD0 citations62
US11814490B2Nov 14, 2023
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD0 citations62
US6930142B2Aug 16, 2005
Seal ring
DAIKIN IND LTD5 citations62
US7528221B2May 5, 2009
Modified polytetrafluoethylene molded article and process for manufacture thereof
DAIKIN IND LTD2 citations61
US12437897B2Oct 7, 2025
Magnet wire and coil
DAIKIN IND LTD0 citations60
US12583947B2Mar 24, 2026
Method for producing fluoropolymer
DAIKIN IND LTD0 citations51
US12586849B2Mar 24, 2026
Sealing structure for battery
DAIKIN IND LTD0 citations51
US12183955B2Dec 31, 2024
Sealing structure for battery
DAIKIN IND LTD0 citations51
US11634514B2Apr 25, 2023
Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition
DAIKIN IND LTD0 citations51
US11859075B2Jan 2, 2024
Core-shell type particle, dispersion and powder
DAIKIN IND LTD0 citations44
MEIJI SEIKA KAISHA
5 patentsUS6486149B2Nov 26, 2002
Composition comprising a crystallographically stable, amorphous cephalosporin and processes for the preparation thereof
MEIJI SEIKA KAISHA26 citations92
US6441162B2Aug 27, 2002
Crystalline substance of cefditoren pivoxyl and the production of the same
MEIJI SEIKA KAISHA39 citations92
US6342493B1Jan 29, 2002
Crystallographically stable amorphous cephalosporin compositions and process for producing the same
MEIJI SEIKA KAISHA8 citations73
US6294669B1Sep 25, 2001
Crystalline substance of cefditoren pivoxyl and the production of the same
MEIJI SEIKA KAISHA10 citations73
US6288223B1Sep 11, 2001
Process for the selective preparation of Z-isomers of 3-2(substituted vinyl)cephalosporins
MEIJI SEIKA KAISHA9 citations71