Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433042 | Curing agents for epoxy resins | Yoshihisa Tomotaki, Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima | 2002-08-13 |
| 6372825 | Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing these | Yoshihisa Tomotaki, Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima | 2002-04-16 |
| 6359036 | 1-Aminopyrrolidine or its salt as epoxy resin hardener | Yoshihisa Tomotaki, Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima | 2002-03-19 |
| 5981764 | Process for producing 1-aminopyrrolidine, and 1-aminopyrrolidine according to the process | Tsukasa Maekawa, Yoshihisa Tomotaki, Keiichiro Ishikawa, Akihiro Nabeshima | 1999-11-09 |