Inventor
TOMOTAKI YOSHIHISA
JP6 patents
⚠️ This page may combine multiple inventors who share the name “TOMOTAKI YOSHIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTSUKA KAGAKU KK
4 patentsUS4886891ADec 12, 1989
Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative
OTSUKA KAGAKU KK3 citations62
US6433042B1Aug 13, 2002
Curing agents for epoxy resins
OTSUKA KAGAKU KK2 citations59
US6372825B1Apr 16, 2002
Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing these
OTSUKA KAGAKU KK1 citations48
US6359036B1Mar 19, 2002
1-Aminopyrrolidine or its salt as epoxy resin hardener
OTSUKA KAGAKU KK1 citations48