Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466988 | High pressure discharge lamp having improved convection regulating means | Makoto Horiuchi, Takayuki Kamitani, Masataka Ozawa | 1995-11-14 |
| 5365152 | Apparatus for controlling the power to a discharge-lamp | Masataka Ozawa, Takayuki Kamitani, Shigeru Horii, Koji Miyazaki, Nobuhisa Yoshikawa +4 more | 1994-11-15 |
| 4600862 | Discharge lamp operation apparatus | Kazuhiko Ito, Takashi Katsura, Masataka Ozawa, Yoshiro Ogata | 1986-07-15 |
| 4378513 | High pressure discharge lamp apparatus | Nobuhisa Yoshikawa, Shigeru Horii | 1983-03-29 |
| 4370601 | High pressure discharge lamp apparatus | Shigeru Horii, Nobuhisa Yoshikawa | 1983-01-25 |