Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11240588 | Sound reproducing apparatus | Kazuhiro Sekine, Jo Kamada | 2022-02-01 |
| 6211620 | Ballast for fluorescent lamp | Masayoshi Gyoten, Masanobu Murakami, Koji Miyazaki | 2001-04-03 |
| 6054815 | Ballast for a discharge lamp | Kazushige Sugita, Masayoshi Gyoten, Masanobu Murakami | 2000-04-25 |
| 5880562 | Fluorescent lamp lighting apparatus | Hiroki Nakagawa, Tetsuya Tahara, Youji Tashiro | 1999-03-09 |
| 5466988 | High pressure discharge lamp having improved convection regulating means | Makoto Horiuchi, Kazutaka Koyama, Takayuki Kamitani | 1995-11-14 |
| 5444336 | An inverter driven lamp arrangement having a current detection circuitry coupled to a resonant output circuit | Shigeru Horii, Koji Miyazaki, Atsuo Waki, Takayuki Kamitani, Nobuhisa Yoshikawa +3 more | 1995-08-22 |
| 5365152 | Apparatus for controlling the power to a discharge-lamp | Takayuki Kamitani, Kazutaka Koyama, Shigeru Horii, Koji Miyazaki, Nobuhisa Yoshikawa +4 more | 1994-11-15 |
| 5233273 | Discharge lamp starting circuit | Atsuo Waki, Koji Miyazaki, Takayuki Kamitani, Shigeru Horii | 1993-08-03 |
| 5023516 | Discharge lamp operation apparatus | Kazuhiko Ito, Kouji Miyazaki, Masakatsu Kichibayashi, Shigeru Horii | 1991-06-11 |
| 4600862 | Discharge lamp operation apparatus | Kazuhiko Ito, Takashi Katsura, Kazutaka Koyama, Yoshiro Ogata | 1986-07-15 |