Inventor
OHKUBO KAZUHIKO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “OHKUBO KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
4 patentsUS6433033B1Aug 13, 2002
High-durability flexible polyurethane cold cure molded foam and process for producing the same
MITSUI CHEMICALS INC112 citations96
US6063825AMay 16, 2000
Flexible polyurethane foam with high durability
MITSUI CHEMICALS INC29 citations92
US6410676B1Jun 25, 2002
Method for producing polyoxyalkylene polyol and derivatives thereof
MITSUI CHEMICALS INC24 citations91
US6156864ADec 5, 2000
Preparation of flexible polyurethane foams
MITSUI CHEMICALS INC16 citations90
MITSUI TOATSU CHEMICALS
3 patentsUS5777175AJul 7, 1998
Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams
MITSUI TOATSU CHEMICALS18 citations90
US5468840ANov 21, 1995
Preparation process of polyoxyalkylene polyols and process of alkylene oxide recovery
MITSUI TOATSU CHEMICALS5 citations71
US5545712AAug 13, 1996
Preparation process for polyoxyalkylene polyol
MITSUI TOATSU CHEMICALS5 citations60