Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9402072 | Signal processing device and video display device including the same | Toshiki Onishi | 2016-07-26 |
| 8942547 | Video signal converting apparatus and video signal converting method | Yuki Maruyama | 2015-01-27 |
| 8587372 | Multi-input differential amplifier and light emitting element driving device | Yasunori Yamamoto | 2013-11-19 |
| 7940031 | Switching power supply circuitry | Takuya Ishii | 2011-05-10 |
| 7852059 | Power supply device | Takuya Ishii, Mikio Motomori, Yoichi Deguchi, Satoshi Wada, Yoshihisa Minami | 2010-12-14 |
| 7825646 | Step-up converter | Takuya Ishii, Mikio Motomori, Junichi Morita, Takashi Ryu, Masaaki Koto +2 more | 2010-11-02 |
| 7737735 | Output circuit for outputting a signal with a high-voltage amplitude | Masaaki Koto, Kazuyuki Moritake, Takuya Ishii | 2010-06-15 |
| 7714546 | Step-up regulator with multiple power sources for the controller | Takuya Ishii | 2010-05-11 |
| 7567069 | Step-up power supply device | Takashi Ryu, Takuya Ishii, Mikio Motomori, Satoshi Wada, Rumi Nakai | 2009-07-28 |
| 7348800 | Level shift circuit | Masaaki Koto, Takuya Ishii, Kazuyuki Moritake | 2008-03-25 |
| 7081741 | Multi-output power supply and electronic device using them | Takuya Ishii, Takashi Ryu, Mikio Motomori, Hirohisa Tanabe, Masato Yoshida +1 more | 2006-07-25 |
| 6788513 | Switching power supply circuit | — | 2004-09-07 |
| D383101 | Automobile tire | Koichiro Aikawa, Izumi Kuramochi | 1997-09-02 |
| D379335 | Automobile tire | Koichiro Aikawa, Koji Watanabe | 1997-05-20 |
| D379166 | Automobile tire | Koichiro Aikawa, Hiroshi Tokizaki, Izumi Kuramochi | 1997-05-13 |
| 4790476 | Money-collecting device | Akito Tanaka | 1988-12-13 |