Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7553162 | Socket for electronic component | Masaaki Isoda, Kazuhiro Takamura, Katsuyuki Kiyozumi, Nobumichi Nishihama | 2009-06-30 |
| 6914395 | Electronic ballast for a high-pressure discharge lamp | Tsutomu Shiomi, Minoru Maehara, Yutaka Iwahori, Toshiaki Nakamura, Takeshi Kamoi | 2005-07-05 |
| 6118224 | Discharge lamp lighting device | Yoshinobu Murakami, Tomoyuki Nakano, Toshiya Kanja | 2000-09-12 |
| 6057652 | Power supply for supplying AC output power | Wei Chen, Fred C. Lee, Koji Nishiura, Yoshinobu Murakami, Minoru Maehara | 2000-05-02 |
| 5995398 | Power supply device | Minoru Maehara, Yoshinobu Murakami, Minoru Yamamoto | 1999-11-30 |
| 5959410 | Charge pump power factor correction circuit for power supply for gas discharge lamp | Tsutomu Shiomi | 1999-09-28 |
| 5932976 | Discharge lamp driving | Ajay Maheshwari, Kiyoaki Uchihashi | 1999-08-03 |
| 5914572 | Discharge lamp driving circuit having resonant circuit defining two resonance modes | Jinrong Qian, Fred C. Lee | 1999-06-22 |
| 5644480 | Power source device | Hiroyuki Sako | 1997-07-01 |
| 5517399 | Power supply having a chopper with an improved power factor | Masahiro Yamanaka, Kazuhiro Nishimoto, Yukio Yamanaka | 1996-05-14 |
| 5502423 | Discharge lamp lighting device | Akio Okude, Kei Mitsuyasu, Yoshifumi Kuroki, Naoki Ohnishi, Katsuyuki Kiyozumi | 1996-03-26 |