Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502282 | Drive device | — | 2019-12-10 |
| 5567778 | Process for producing an optical filter | Teruo Sakagami, Takeo Ogihara, Hiroki Katono | 1996-10-22 |
| 5466755 | Optical filter | Teruo Sakagami, Takeo Ogihara, Hiroki Katono | 1995-11-14 |
| 5109508 | Data base system including memorandum information and method for managing memorandum information | Sadamichi Mitsumori, Shigeru Mitani, Osamu Chinone, Isoji Tabushi | 1992-04-28 |
| 4826284 | Resin-made heat-resistant optical fiber | Teruo Sakagami | 1989-05-02 |
| 4756973 | Photochromic lens | Teruo Sakagami, Katsuichi Machida, Noriyuki Arakawa, Naohiro Murayama | 1988-07-12 |
| 4704006 | Halogen-containing resin lens material | Teruo Sakagami, Naohiro Murayama | 1987-11-03 |
| 4644025 | Lens materials of high refractive indexes | Teruo Sakagami, Naohiro Murayama | 1987-02-17 |
| 4578445 | Halogen-containing lens material | Teruo Sakagami, Naohiro Murayama | 1986-03-25 |