Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232411 | Hydrogenated diglycidyl ethers of bipheny-4,4'-diol | Yoshinori Hara, Yoshinobu Ohnuma, Hiroko Takahashi | 2001-05-15 |
| 6084039 | Epoxy resin composition | Yoshinobu Ohnuma | 2000-07-04 |
| 6060611 | Epoxy resin composition | Yoshinori Hara, Hiroko Inagaki, Yoshinori Nakanishi, Yoshinobu Ohnuma | 2000-05-09 |
| 6015873 | Polyphenol composition and method of producing the same | Yoshinobu Ohnuma | 2000-01-18 |
| 5900468 | Epoxy resin composition | Yoshinobu Ohnuma | 1999-05-04 |
| 5880246 | Polyepoxy composition containing trisepoxide | Yoshinobu Ohnuma | 1999-03-09 |
| 5869664 | Process for preparing adduct of imidazole-isocyanuric acid | Yoshinobu Ohnuma | 1999-02-09 |
| 4332733 | Process for liquefying acid anhydride | Hiroshi Samejima, Yoshinobu Onuma | 1982-06-01 |