Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747945 | Electrodeless discharge lamp utilizing induced electric field generated by a high frequency electromagnetic field | Shin Ukegawa, Atsunori Okada, Shingo Higashisaka, Miki Kotani | 1998-05-05 |
| 5519285 | Electrodeless discharge lamp | Shin Ukegawa, Atsunori Okada, Shingo Higashisaka, Miki Kotani, Motohiro Saimi +3 more | 1996-05-21 |
| 5500571 | Metal vapor discharge lamp | Atsunori Okada, Shigekazu Kusanagi, Tohru Fujioka | 1996-03-19 |
| 5367226 | Electrodeless discharge lamp having a concave recess and foil electrode formed therein | Shin Ukegawa, Atsunori Okada, Shingo Higashisaka, Miki Kotani | 1994-11-22 |
| 5256940 | High intensity discharge lamp device | Atsunori Okada, Shingo Higashisaka | 1993-10-26 |
| 4724361 | High pressure discharge lamp | Atsunori Okada, Shoiti Morii | 1988-02-09 |
| 4434385 | Discharge lamp device | Makoto Touho, Minoru Yamamoto | 1984-02-28 |
| 4417172 | Low pressure discharge lamp | Makoto Touhou, Minoru Yamamoto | 1983-11-22 |