Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8703010 | Curing agent for epoxy resins and epoxy resin compositions | Atsushi Okoshi, Takao Ota | 2014-04-22 |
| 8586289 | Aromatic hydrocarbon resin and composition for forming underlayer film for lithography | Seiji Kita, Masashi Ogiwara, Gou Higashihara | 2013-11-19 |
| 7387699 | Process of producing hollow shaped articles | Yoshinori Onose, Takeshi Koyama | 2008-06-17 |
| 7323522 | Cyclohexanetricarboxylic monoester and its use | Takeshi Koyama, Atsushi Okoshi, Takao Ota | 2008-01-29 |
| 7098258 | Heat-curable resin composition and use thereof | Takeshi Koyama, Masami Okuo | 2006-08-29 |