Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046191 | Drive system and drive control method | Yohei Tan, Yoshihiro Miyama, Masahiro Iezawa | 2021-06-29 |
| 10668917 | Drive system and drive control method | Yoshihiro Miyama, Masaki Yamada, Takeshi Mori, Moriyuki Hazeyama | 2020-06-02 |
| 10343533 | Power supply system with improved energy recovery from regenerative braking | Yusuke Higaki, Yuuya Tanaka, Yasuyoshi Hori, Masaki Yamada, Toshiyuki Yoshizawa | 2019-07-09 |
| 9711979 | Power supply system | Daigo Takemura, Sho Shiraga, Toshihiro Wada, Shoji Yoshioka, Hiroshi Araki +1 more | 2017-07-18 |
| 9369074 | Electric power supply system | Yuuya Tanaka, Masaki Yamada, Hiroshi Okuda, Nobuhiro Kihara | 2016-06-14 |
| 9365175 | Power supply system for vehicle | Yusuke Higaki, Yuuya Tanaka, Masaki Yamada, Toshiyuki Yoshizawa | 2016-06-14 |
| 9235109 | Light source driving device, light source driving method, and image display device | Takahiko Yamamuro | 2016-01-12 |
| 8559202 | Power conversion apparatus | Akihiko Iwata, Makoto Seto, Masaki Yamada, Noriyuki Matsubara, Takashi Kumagai | 2013-10-15 |
| 8437910 | Automotive electric power supply system | Toshiyuki Yoshizawa, Masaya Inoue, Takahiro Urakabe, Tatsuya Okuda, Yuuya Tanaka +1 more | 2013-05-07 |
| 8232830 | Rectifier with less conduction loss than a diode | Miyuki Takeshita, Akihiko Iwata, Ikuro Suga, Kenichi Kawabata, Takashi Kumagai +1 more | 2012-07-31 |
| 8194192 | Projection display | Takayoshi Nagai, Ikuro Suga, Akihiko Iwata, Yoshiteru Suzuki, Akira Okumura +2 more | 2012-06-05 |
| 7719865 | Power conversion apparatus | Akihiko Iwata, Makoto Seto, Masaki Yamada, Noriyuki Matsubara, Takashi Kumagai | 2010-05-18 |
| 7602626 | Power conversion apparatus | Akihiko Iwata, Makoto Seto, Masaki Yamada | 2009-10-13 |
| 7598678 | Lamp lighting apparatus | Taichiro Tamida, Akihiko Iwata | 2009-10-06 |
| 7596008 | Power conversion apparatus | Akihiko Iwata, Makoto Seto, Masaki Yamada, Hiroshi Ito, Tomoyuki Kawakami | 2009-09-29 |
| 7570948 | Mobile station and base station | Masayuki Yoneyama | 2009-08-04 |
| 7438420 | Display apparatus | Taichiro Tamida, Akihiko Iwata | 2008-10-21 |
| 7164239 | Discharge lamp ballast circuit | Kikuo Izumi, Akihiko Iwata | 2007-01-16 |
| 7088314 | Surface discharge type plasma display panel having an isosceles delta array type pixel | Kou Sano, Shinsuke Yura | 2006-08-08 |
| 7023143 | Ballast apparatus and ballasting method of high intensity discharge lamp | Kikuo Izumi, Takahiro Urakabe, Akihiron Suzuki, Akihiko Iwata, Takashi Ohsawa | 2006-04-04 |
| 6975077 | High intensity discharge lamp ballast apparatus | Kikuo Izumi, Akihiko Iwata, Takashi Ohsawa | 2005-12-13 |
| 6945060 | Vehicle air conditioning system | Hiroyuki Tomita | 2005-09-20 |
| 6825835 | Display device | Ko Sano | 2004-11-30 |
| 6787978 | Plasma display panel and plasma display device | Shinsuke Yura, Ko Sano | 2004-09-07 |
| 6761214 | Vehicle air conditioner with mode switching pattern | Nobukazu Kuribayashi, Tatsumi Kumada, Koichi Ito, Junji Yokoi | 2004-07-13 |