Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642655 | High-pressure metal halide discharge lamp and a lighting apparatus using the lamp | Naoya Matsumoto, Hiroyuki Ogata, Hisanori Sano, Satoshi Iwasawa | 2003-11-04 |
| 5668440 | Nitride layer for discharge lamps | Kazuo Takita, Makoto Nishizawa, Akira Itoh, Kazuyoshi Okamura, Kazuiki Uchida +4 more | 1997-09-16 |
| 5243251 | Lamp having a glass envelope with fluorocarbon polymer layer | Satoshi Iwasawa, Kazuo Takita, Katsusuke Uchino | 1993-09-07 |
| 5192891 | Metal halide lamp | Atsushi Matsuura, Hisanori Sano | 1993-03-09 |
| 4998036 | Metal vapor discharge lamp containing an arc tube with particular bulb structure | Atsushi Matsuura, Kazuo Honda, Hisanori Sano | 1991-03-05 |
| 4978887 | Single ended metal vapor discharge lamp with insulating film | Atsushi Matsuura, Kazuo Honda, Hisanori Sano | 1990-12-18 |
| 4827176 | Metal vapor discharge lamp with radioactively impregnated ceramic material body | Kazuo Honda, Akihiro Kamiya | 1989-05-02 |
| 4799135 | Headlight for vehicle | Nobuyoshi Kuno, Hiroyoshi Takanishi, Hiroki Sasaki | 1989-01-17 |
| 4724358 | High-pressure metal vapor arc lamp lit by direct current power supply | — | 1988-02-09 |
| 4721887 | Metal halide arc lamp having pinch seal with elongated space | Kazuo Honda | 1988-01-26 |