Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6180224 | Method of absorbing rays outside a visible region | Masuhiro Shouji, Hiroki Katono, Teruo Sakagami, Osamu Tanegashima | 2001-01-30 |
| 5820779 | Polymeric optical low-pass filter and device thereof | Masuhiro Shouji, Hiroki Katono, Teruo Sakagami, Hiroshi Hasebe, Haruyoshi Takatu | 1998-10-13 |
| 5793544 | Production process of composite optical filter | Hiroki Katono, Masuhiro Shouji, Teruo Sakagami | 1998-08-11 |
| 5759448 | Plastic optical material | Hiroki Katono, Masuhiro Shouji, Teruo Sakagami | 1998-06-02 |
| 5691838 | Infrared-blocking optical fiber | Masuhiro Shouji, Hiroki Katono, Teruo Sakagami | 1997-11-25 |
| 5672655 | Plastic optical material and production process thereof | Hiroki Katono, Masuhiro Shouji, Teruo Sakagami | 1997-09-30 |
| 5611965 | Plastic optical filter | Masuhiro Shouji, Hiroki Katono, Teruo Sakagami | 1997-03-18 |
| 5567778 | Process for producing an optical filter | Teruo Sakagami, Yasufumi Fujii, Hiroki Katono | 1996-10-22 |
| 5516842 | Polycarbonate resin composition and molded product thereof | Mitsuru Hoshino, Yasuhiro Kadota, Kazuaki Maruyama | 1996-05-14 |
| 5466755 | Optical filter | Teruo Sakagami, Yasufumi Fujii, Hiroki Katono | 1995-11-14 |
| 4332919 | Multiply grafted antistatic resin composition | Akio Kobayashi | 1982-06-01 |