Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8482228 | Visible indication of mistaken lamp use | Kazuhiko Itou, Shiro Iida | 2013-07-09 |
| 8198817 | Lighting unit and discharge lamp | Etsuji Morimoto, Kazuhiko Itou, Akira Takahashi | 2012-06-12 |
| 7821207 | Lighting unit and discharge lamp | Etsuji Morimoto, Kazuhiko Itou, Akira Takahashi | 2010-10-26 |
| 7701153 | Visible indication of mistaken lamp use | Kazuhiko Itou, Shiro Iida | 2010-04-20 |
| 7453214 | Lamp-operating unit and low-pressure mercury discharge lamp | Akira Takahashi | 2008-11-18 |
| 6657401 | Ballast for discharge lamp | Satoshi Kominami, Kenichirou Takahashi, Koji Miyazaki | 2003-12-02 |
| 6597127 | Discharge lamp operating apparatus, self-ballasted discharge lamp, dimmer and illumination kit for dimming | Kenichiro Takahashi, Satoshi Kominami, Koji Miyazaki, Mamoru Takeda | 2003-07-22 |
| 6577066 | Compact self-ballasted fluorescent lamp | Satoshi Kominami, Kouji Miyazaki, Mamoru Takeda, Takayuki Imai, Masanobu Murakami | 2003-06-10 |
| 6509698 | Operating apparatus of discharge lamp | Satoshi Kominami, Kenichiro Takahashi, Koji Miyazaki, Mamoru Takeda | 2003-01-21 |
| 6504322 | Discharge lamp operating apparatus | Kenichiro Takahashi, Satoshi Kominami, Koji Miyazaki, Mamoru Takeda | 2003-01-07 |
| 6492773 | Self-ballasted fluorescent lamp | Koji Miyazaki, Kenichiro Takahashi, Satoshi Kominami | 2002-12-10 |
| 6424100 | Fluorescent lamp operating apparatus and compact self-ballasted fluorescent lamp | Satoshi Kominami, Koji Miyazaki, Mamoru Takeda, Takayuki Imai, Masanobu Murakami | 2002-07-23 |
| 6211620 | Ballast for fluorescent lamp | Masataka Ozawa, Masanobu Murakami, Koji Miyazaki | 2001-04-03 |
| 6137241 | Starting switch circuit for a fluorescent lamp | — | 2000-10-24 |
| 6054815 | Ballast for a discharge lamp | Kazushige Sugita, Masataka Ozawa, Masanobu Murakami | 2000-04-25 |
| 5444336 | An inverter driven lamp arrangement having a current detection circuitry coupled to a resonant output circuit | Masataka Ozawa, Shigeru Horii, Koji Miyazaki, Atsuo Waki, Takayuki Kamitani +3 more | 1995-08-22 |
| 5365152 | Apparatus for controlling the power to a discharge-lamp | Masataka Ozawa, Takayuki Kamitani, Kazutaka Koyama, Shigeru Horii, Koji Miyazaki +4 more | 1994-11-15 |