Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770403 | Indoor and outdoor unit communication via signal from a power line | Yasuyuki Kojima, Noboru Akiyama, Tatsumi Yamauchi, Koichi Taniguchi, Koichi Tokushige +2 more | 2010-08-10 |
| 7523619 | Indoor and outdoor unit communication via signal from a power line | Yasuyuki Kojima, Noboru Akiyama, Tatsumi Yamauchi, Koichi Taniguchi, Koichi Tokushige +2 more | 2009-04-28 |
| 7053502 | Power supply with uninterruptible function | Nobuyuki Aihara, Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Shigekazu Zemba | 2006-05-30 |
| 6795322 | Power supply with uninterruptible function | Nobuyuki Aihara, Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Shigekazu Zemba | 2004-09-21 |
| 6655765 | Refrigerator door opener | Tadahiro Kawamura, Koji Suzuki, Toshiyuki Moriuchi, Hidetomo Takanishi, Akihiko Manabe +4 more | 2003-12-02 |
| 6643152 | DC power supply device | Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Ryouhei Saga, Katsunori Hayashi | 2003-11-04 |
| 6603671 | Synchronized rectifier voltage step down DC-DC converter and control circuit therefor | Norikazu Tokunaga, Kenichi Onda, Ryouhei Saga, Akihiko Kanouda | 2003-08-05 |
| 6507507 | DC power supply device | Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Ryouhei Saga, Katsunori Hayashi | 2003-01-14 |
| 6496395 | Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply | Norikazu Tokunaga, Kenichi Onda, Tadashi Takahashi, Ryohei Saga, Katsunori Hayashi | 2002-12-17 |
| 6381152 | Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device | Tadashi Takahashi, Kenichi Onda, Norikazu Tokunaga, Ryouhei Saga, Katsunori Hayashi | 2002-04-30 |
| 6101819 | Temperature control device for refrigerators | Kouji Maeda, Yuji Kishinaka, Takashi Aoki, Masatoshi Sasaki | 2000-08-15 |