Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709916 | Polybutylene terephthalate having low carboxyl group concentration and loose tube for optical fiber comprising the same | Hiroki Nagano, Masami Umeda, Naonobu Tadokoro, Kazumoto Miyajima | 1998-01-20 |
| 4536531 | Polyester resin composition | Yoshinari Ogawa | 1985-08-20 |
| 4506043 | Glass fiber-reinforced thermoplastic polyester composition | Yoshinari Ogawa, Kouichi Sakai | 1985-03-19 |
| 4417018 | Flame-retardant resin composition | Yoshinari Ogawa, Kenji Ikeda, Yoichi Nakamura | 1983-11-22 |
| 4344874 | Polyethylene terephthalate resin compositions | Yoshinari Ogawa, Kouichi Sakai | 1982-08-17 |