Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7388332 | Metal vapor discharge lamp, floodlight projector and metal vapor discharge lamp lighting device | Kozo Uemura, Mikio Matsuda, Toshio Hiruta, Hiroyoshi Takanishi, Hideo Inoue | 2008-06-17 |
| 7352132 | Metal halide lamp and metal halide lamp lighting device with improved emission power maintenance ratio | Mikio Matsuda, Toshio Hiruta | 2008-04-01 |
| 7242144 | High-pressure discharge lamp, high-pressure discharge lamp lighting device and automotive headlamp apparatus | Hiroyuki Kato, Hiromichi Kawashima, Kozo Uemura, Mikio Matsuda, Toshio Hiruta | 2007-07-10 |
| 7057349 | Lightening device for metal halide discharge lamp | Kiyoshi Saita, Mikio Matsuda, Toshio Hiruta | 2006-06-06 |
| 6879101 | Metal halide lamp with electrodes having a curved surface part and automotive headlamp apparatus | Makoto Deguchi, Hiromichi Kawashima, Kozo Uemura, Sakae Katayama, Yoshiyuki Watanuki +3 more | 2005-04-12 |
| 6873109 | Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp | Kiyoshi Saita, Mikio Matsuda, Toshio Hiruta | 2005-03-29 |
| 6628082 | Glow starter for a high pressure discharge lamp | Naoya Matsumoto, Hiroyuki Ogata, Satoshi Iwasawa, Takahito Kashiwagi, Akira Ito +2 more | 2003-09-30 |
| 6528946 | Compact-type metal halide discharge lamp | Kiyoshi Saita, Mikio Matsuda, Toshio Hiruta | 2003-03-04 |
| 6495962 | Metal halide lamp and a vehicle lighting apparatus using the lamp | Kozo Uemura, Toshio Hiruta, Mikio Matsuda, Shigehisa Kawatsuru, Isao Yamazaki +1 more | 2002-12-17 |
| 6353289 | Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp | Kiyoshi Saita, Mikio Matsuda, Toshio Hiruta | 2002-03-05 |
| 4929869 | High intensity discharge lamp containing iron and silver in the arc tube filling | Akihiro Yonezawa, Hiroki Sasaki, Yoichiro Mitsuyuki, Yasuki Mori | 1990-05-29 |
| 4568856 | High pressure metal vapor discharge lamp | Akihiro Inoue, Tadao Kanoh, Taketo Kamei, Akihiro Kamiya, Akira Kohno +1 more | 1986-02-04 |
| 4445067 | High pressure metal vapor discharge lamp with radioactive material impregnated in ceramic | Akihiro Inoue, Tadao Kanoh, Taketo Kamei, Akihiro Kamiya, Akira Kohno +1 more | 1984-04-24 |