Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781316 | Vehicle light apparatus | — | 2004-08-24 |
| 6710556 | Discharge lamp lighting apparatus | — | 2004-03-23 |
| 6392364 | High voltage discharge lamp apparatus for vehicles | Noboru Yamamoto, Yasutoshi Horii, Hiroaki Okuchi, Hiromi Hiramatsu, Kenji Yoneima +5 more | 2002-05-21 |
| 6232728 | Discharge lamp apparatus | Noboru Yamamoto, Tomoyuki Funayama | 2001-05-15 |
| 5939835 | Discharge lamp lighting device with power system, control system and power source system | Hitoshi Takeda, Toru Nakayama, Masayasu Yamashita | 1999-08-17 |
| 5907224 | Abnormality detecting circuit for discharge lamp with delayed interruption for undervoltage | Masayasu Yamashita, Atsushi Toda | 1999-05-25 |
| 5828177 | Light circuit for discharge lamp | Atsushi Toda, Masayasu Yamashita | 1998-10-27 |
| 5783908 | Lighting circuit wherein the abnormality detection circuit gets its power directly from the auxiliary power supply section | Atsushi Toda, Masayasu Yamashita | 1998-07-21 |
| 5629588 | Lighting circuit utilizing DC power for a discharge lamp utilizing AC power | Atsushi Toda, Masayasu Yamashita | 1997-05-13 |
| 5572094 | Lighting circuit for discharge lamp | Masayasu Yamashita, Atsushi Toda | 1996-11-05 |
| 5565743 | Lighting circuit for discharge lamp | Masayasu Yamashita | 1996-10-15 |
| 5514935 | Lighting circuit for vehicular discharge lamp | Masayasu Yamashita | 1996-05-07 |
| 5449973 | Lighting circuit for vehicular discharge lamp | Masayasu Yamashita, Masaru Sasaki | 1995-09-12 |
| 5382876 | Cord connection structure for connecting a ballast circuit and a starter circuit | Masatoshi Sugasawa, Atsushi Toda, Masaru Sasaki, Masayasu Yamashita, Akihiro Matsumoto +1 more | 1995-01-17 |
| 5212428 | Lighting circuit for vehicular discharge lamp | Masaru Sasaki, Atsuhiko Murata | 1993-05-18 |
| 5177397 | Discharge lamp assembly with insulating tubular member and metal band around pinch seal | Masakazu Nagasawa, Nobuo Ohkawai, Masaya Shidoh, Shinichi Irisawa, Yukio Wakimizu | 1993-01-05 |
| 5151631 | Lighting circuit for vehicular discharge lamp | Atsushi Toda, Soichi Yagi, Hiroki Shibata | 1992-09-29 |
| 5142203 | Lighting circuit for high-pressure discharge lamp for vehicles | Masaya Shidoh, Soichi Yagi, Masatoshi Sugasawa | 1992-08-25 |
| 5140229 | Lighting circuit for vehicular discharge lamp | Soichi Yagi, Masatoshi Sugasawa | 1992-08-18 |
| 5068570 | Lamp lighting circuit with an overload protection capability | Masaya Shidoh, Atsushi Toda, Akiyoshi Ozaki, Akihiro Matsumoto, Soichi Yagi +1 more | 1991-11-26 |