Inventor
YAMAMOTO TOSHIHIDE
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TOSHIHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSOH CORP
8 patentsUS6034206AMar 7, 2000
Polyaryleneamines and a process for their production
TOSOH CORP38 citations90
US6900152B2May 31, 2005
Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst
TOSOH CORP30 citations89
US6337297B1Jan 8, 2002
Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst
TOSOH CORP56 citations89
US6346621B1Feb 12, 2002
Nitrogen-heterocyclic compound and process for production thereof
TOSOH CORP3 citations62
US12110304B2Oct 8, 2024
Divalent phosphazenium salt and polyalkylene oxide composition containing the same, as well as polyurethane-forming composition containing the polyalkylene oxide composition
TOSOH CORP0 citations61
US7709583B2May 4, 2010
Sulfur-containing cyclic olefin resin and its production method
TOSOH CORP1 citations52
US7368516B2May 6, 2008
Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst
TOSOH CORP0 citations49
US7985885B2Jul 26, 2011
Terphenylene derivative, tetrahaloterphenyl derivative, and processes for producing both
TOSOH CORP0 citations36