Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145644 | Power device with carrier lifetime zone | Takumi Hosoya, Hiromichi INENAGA | 2021-10-12 |
| 8543845 | Method for suppressing a voltage fluctuation applying to a load by a second power section with the same or opposite voltage polarity | Yoshito Koyama, Minoru Hirahara, Eiji Miyachika | 2013-09-24 |
| 8373246 | Semiconductor device comprising stack of pn junction diode and schottky barrier diode | Tetsuya Okada, Shiho Arimoto | 2013-02-12 |
| 8154048 | Diode with shortened reverse recovery time without reducing impurity concentration | Tetsuya Okada | 2012-04-10 |
| 7958378 | Power supply device having load detection function and communication apparatus provided with the power supply device | Yoshito Koyama, Eiji Miyachika | 2011-06-07 |
| 7863217 | Exhaust gas purifying catalyst and exhaust gas purifying method | Koji Minoshima, Hiroshi Yamada, Hideharu Iwakuni, Akihide Takami | 2011-01-04 |
| 7785545 | Exhaust gas catalytic conversion system | Hideharu Iwakuni, Koji Minoshima, Hiroshi Yamada, Masaaki Akamine, Akihide Takami | 2010-08-31 |
| 7691778 | Exhaust gas purification catalyst | Tomohiro Honda, Tomoaki Urai, Ryota Fujimoto, Hiroshi Yamada, Hideharu Iwakuni +3 more | 2010-04-06 |
| 7608561 | Exhaust gas purifying catalyst | Hiroshi Yamada, Koji Minoshima, Akihide Takami, Hideharu Iwakuni | 2009-10-27 |
| 7566424 | Exhaust gas purification catalyst | Hiroshi Yamada, Akihide Takami | 2009-07-28 |
| 7555055 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2009-06-30 |
| 7446076 | Exhaust gas purification catalyst | Akihide Takami, Hiroshi Yamada, Masaaki Akamine, Hideharu Iwakuni, Koichiro Harada | 2008-11-04 |
| 7423984 | Digital subscriber line transmission method, apparatus and system | Kazutomo Hasegawa, Hidetake Asahina, Nobukazu Koizumi, Yutaka Awata | 2008-09-09 |
| 7386037 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2008-06-10 |
| 7344683 | Exhaust gas catalytic converter | Hiroshi Yamada, Akihide Takami | 2008-03-18 |
| 7341975 | Exhaust gas purification catalytic material and method for fabricating the same | Hideharu Iwakuni, Masaaki Akamine, Hiroshi Yamada, Akihide Takami, Yuki Murakami | 2008-03-11 |
| 7336627 | Digital subscriber line transmission method, apparatus and system | Kazutomo Hasegawa, Hidetake Asahina, Nobukazu Koizumi, Yutaka Awata | 2008-02-26 |
| 7307039 | Exhaust gas purification catalyst and oxygen storage component for the same | Hideharu Iwakuni, Asako Sadai, Masaaki Akamine, Hiroshi Yamada, Akihide Takami | 2007-12-11 |
| 7295620 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2007-11-13 |
| 7286495 | Digital subscriber line transmission method, apparatus and system | Kazutomo Hasegawa, Hidetake Asahina, Nobukazu Koizumi, Yutaka Awata | 2007-10-23 |
| 7173984 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2007-02-06 |
| 7167509 | Digital subscriber line communicating system and a transceiver in the system | Kazutomo Hasegawa, Yutaka Awata, Takashi Sasaki, Nobukazu Koizumi | 2007-01-23 |
| 7126995 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2006-10-24 |
| 7111452 | Control device of hydrogen engine | Hiroshi Yamada, Akihide Takami | 2006-09-26 |
| 7088783 | Digital subscriber line communicating system determining signal-to-noise ratios | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2006-08-08 |