Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243151 | Home gateway apparatus | — | 2007-07-10 |
| 7152392 | Exhaust gas cleaning system for internal combustion engine | Tsukasa Kuboshima, Shinichiro Okugawa, Masumi Kinugawa | 2006-12-26 |
| 7048891 | Catalyst deterioration detecting apparatus | Masumi Kinugawa, Tsukasa Kuboshima | 2006-05-23 |
| 6957275 | Gateway apparatus for controlling apparatuses on home network | — | 2005-10-18 |
| 6951100 | Exhaust gas cleaning system of internal combustion engine | Tsukasa Kuboshima, Masumi Kinugawa, Makoto Saito, Shigeto Yahata | 2005-10-04 |
| 6928576 | Backup gateway apparatus and home network system | — | 2005-08-09 |
| 6870555 | Apparatus and method for remotely operating a plurality of information devices connected to a network provided with plug-and-play function | — | 2005-03-22 |
| 6826903 | Exhaust gas recirculation system having cooler | Shigeto Yahata, Makoto Saito, Masumi Kinugawa, Tsukasa Kuboshima | 2004-12-07 |
| 6756904 | Device for purifying exhaust gas of engines | Masumi Kinugawa, Tatsuya Fujita | 2004-06-29 |
| 6735941 | Exhaust gas purification system having particulate filter | Makoto Saito, Shigeto Yahata, Masumi Kinugawa, Tsukasa Kuboshima | 2004-05-18 |
| 6571765 | Control system for engine | Tsukasa Kuboshima, Masumi Kinugawa, Makoto Saito, Shigeto Yahata | 2003-06-03 |
| 6288799 | Image communicating apparatus | — | 2001-09-11 |
| 5806310 | Exhaust purification apparatus | Shigeki Daidou, Yoshiyuki Ito, Shinya Hirota, Masahito Shibata | 1998-09-15 |
| 5671067 | Facsimile apparatus for optically recognizing characters and transmitting the recognized characters and communication system for transmitting the recognized characters between a terminal and a center | Ryuichi Negishi, Koichi Nagoshi, Hiroshi Saza, Kiyohiko Honda | 1997-09-23 |
| 5627661 | Facsimile apparatus for optically recognizing characters and transmitting the recognized characters and communication system for transmitting the recognized characters between a terminal and a center | Ryuichi Negishi, Koichi Nagoshi, Hiroshi Saza, Kiyohiko Honda, Tsuyoshi Nishijima +1 more | 1997-05-06 |
| 5497752 | Device for controlling fuel injection of an internal combustion engine | Yasuo Sagisaka, Masakazu Yamada, Masakazu Ninomiya | 1996-03-12 |
| 5305714 | Fuel supply system for an internal combustion engine | Toshihiko Igashira, Kenji Kanehara, Nobuo Imatake, Jun Yamada, Nobuyuki Murate +1 more | 1994-04-26 |
| 4887569 | Electrostrictive actuator device and fuel injection device using same | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Akihiro Izawa, Hisasi Kawai | 1989-12-19 |
| 4767959 | Method and apparatus for driving capacitive-type load | Yasuyuki Sakakibara, Toshihiko Igashira, Masahiro Takigawa, Yoshimi Natsume | 1988-08-30 |
| 4748954 | Electrostrictive actuator device and fuel injection device using same | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Akihiro Izawa, Hisasi Kawai | 1988-06-07 |
| 4735185 | Apparatus for feeding high-pressure fuel into engine cylinder for injection control | Yuzo Imoto, Hideo Wakata | 1988-04-05 |
| 4730585 | Diesel engine fuel injection system with a rate-of-injection control arrangement | Seiko Abe, Toshihiko Igashira, Yasuyuki Sakakibara, Akihiro Izawa | 1988-03-15 |
| 4488533 | Atmospheric pressure compensation system for exhaust gas recirculation | Takeshi Tanaka, Michio Kawagoe, Mitsumasa Yamada | 1984-12-18 |
| 4462377 | Exhaust gas recirculation device | Takeshi Tanaka, Hisasi Kawai, Toshihiko Igashira, Takaharu Idogaki | 1984-07-31 |
| 4450825 | EGR Control system for diesel engine | Toshihiko Igashira, Takeshi Tanaka, Hisasi Kawai | 1984-05-29 |