Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5449710 | Flame retardative polycarbonate resin composition | Takashi Umeda, Akio Nodera | 1995-09-12 |
| 5391600 | Polycarbonate resin composition | Takashi Umeda, Kouji Satou, Haruhiko Furukawa | 1995-02-21 |
| 5187227 | Polycarbonate resin composition | Isao Tera, Kohji Kato, Makoto Yamamoto, Hitoshi Yasumura | 1993-02-16 |
| 4833203 | Polycarbonate composition | Hideki Endo, Kohji Kato | 1989-05-23 |
| 4833217 | Polycarbonate resin composition | Keishiro Igi, Takayuki Okamura, Shunro Taniguchi, Masao Ishii, Yoshifumi Murata +3 more | 1989-05-23 |
| 4657973 | Polycarbonate resin composition | Hideki Endo, Kenji Tanaka, Takeshi Matsumoto, Keishiro Igi, Takayuki Okamura +4 more | 1987-04-14 |