Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9831950 | Visible light communication receiver, mobile object, and visible light communication system | Masaaki Ikehara, Yoshihiko Matsukawa | 2017-11-28 |
| 9543836 | Control device of a power conversion circuit | Fujio Kurokawa | 2017-01-10 |
| 9281742 | Control device for a power converter circuit | Fujio Kurokawa | 2016-03-08 |
| 8957591 | Illumination system | Yoshinobu Murakami, Koji Nakagawara, Masahiro Naruo, Shigeru Ido, Kazuhiro Nisimoto +1 more | 2015-02-17 |
| 6324078 | Power source device | Masahiro Naruo, Takashi Kanda, Kazuhiro Hori, Kazuo Yoshida | 2001-11-27 |
| 6246181 | Discharge lamp lighting device | Masahiro Naruo, Kazuhiro Hori, Takashi Kanda | 2001-06-12 |
| 5969963 | Power converting device supplying AC voltage of a continuous wave form | Hiroshi Ogasawara | 1999-10-19 |
| 5920155 | Electronic ballast for discharge lamps | Takashi Kanda, Kazuo Yoshida, Masahiro Naruo, Kazuhiro Hori | 1999-07-06 |
| 5804924 | Discharge lamp with two voltage levels | Tadao Uetsuki, Takashi Kanda, Masahiro Naruo | 1998-09-08 |
| 5761058 | Power converter apparatus for a discharge lamp | Takashi Kanda, Yoshinobu Murakami, Masahiro Naruo, Kazuo Yoshida, Tomoyuki Nakano +2 more | 1998-06-02 |
| 5610807 | Power converting system with a plurality of charging capacitors | Takashi Kanda, Kazuo Yoshida | 1997-03-11 |
| 5608614 | Power converter | Shozo Kataoka, Takashi Kanda, Takashi Yamasaki, Kazuo Yoshida | 1997-03-04 |
| 5444310 | Apparatus for operating discharge lamps | Shozo Kataoka | 1995-08-22 |
| 5434479 | Full-bridge inverter for discharge lamp lighting device with varied transistor zero voltage period | Shozo Kataoka, Kazuo Yoshida | 1995-07-18 |
| 5229690 | Apparatus for operating discharge lamps utilizing a capacitor and charging circuit | Takashi Kanda | 1993-07-20 |