Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039185 | Homeotropic liquid crystal display device | Tatsuo Uchida, Seiyu Kuniyasu | 1991-08-13 |
| 4829154 | Planar heater for liquid crystal element | Toru Teshima, Mitsunari Yoshida | 1989-05-09 |
| 4724304 | Planar heater for liquid crystal element | Toru Teshima, Mitsunari Yoshida | 1988-02-09 |
| 4584461 | Planar heater for liquid crystal element | Toru Teshima, Mitsunari Yoshida | 1986-04-22 |
| 4389095 | Multi-colored liquid crystal display device with characters not displaying shifts in positions even upon color changes | Toru Teshima, Takao Kasahara | 1983-06-21 |
| D266110 | Electric discharge lamp | Mitunari Yoshida | 1982-09-07 |
| D266026 | Fluorescent lamp | Youichiro Akanuma | 1982-08-31 |
| 4334725 | Method for making a fluorescent lamp | Toru Teshima, Norimasa Oinuma, Mitunari Yoshida | 1982-06-15 |
| 4320324 | Flat fluorescent lamp | Mitunari Yoshida | 1982-03-16 |
| D260441 | Fluorescent lamp | Youichiro Akanuma | 1981-08-25 |
| 4272702 | Fluorescent lamp | Toru Teshima, Norimasa Oinuma, Mitunari Yoshida | 1981-06-09 |
| 4250645 | Indicating device with flat fluorescent lamp | Norimasa Oinuma, Youichiro Akanuma, Mitunari Yoshida | 1981-02-17 |
| 4234817 | Flat type fluorescent lamp | Toru Teshima, Mitunari Yoshida | 1980-11-18 |
| 4195249 | Flat type of fluorescent lamp | Norimasa Oinuma, Mitunari Yoshida | 1980-03-25 |