Inventor
TOKUMOTO KATSUMI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TOKUMOTO KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSOH CORP
5 patentsUS6777456B2Aug 17, 2004
Method for producing a rigid polyurethane foam
TOSOH CORP16 citations92
US6384097B1May 7, 2002
Amine catalyst for producing rigid polyurethane foam
TOSOH CORP15 citations91
US6307102B1Oct 23, 2001
Amine catalyst for producing polyurethane and polyisocyanurate
TOSOH CORP17 citations91
US6384177B1May 7, 2002
Process for producing polyurethane and polyisocyanurate
TOSOH CORP13 citations81
US7183331B2Feb 27, 2007
Method for producing a rigid polyurethane foam
TOSOH CORP6 citations73