Issued Patents All Time
Showing 51–75 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6269791 | Control system for an internal combustion engine | Hiroshi Tanaka, Kenji Katoh | 2001-08-07 |
| 6237504 | Guideway transit system and automated vehicle used in this system | Norihiko Nakamura, Keiji Aoki, Hiromitsu Kimpara | 2001-05-29 |
| 5986545 | Vehicle driveability evaluation system | Masakatsu Sanada | 1999-11-16 |
| 5795992 | Method of testing durability of exhaust gas purification device | Masakatsu Sanada, Hiroyuki Domyo, Hiroshi Hirayama, Kazuaki Sobue, Tsuneo Higashi +4 more | 1998-08-18 |
| 5722238 | Device for evaluating catalyst performance deterioration | Masakatsu Sanada, Koji Yokota, Shinichi Matsunaga, Hideo Sobukawa, Ichiro Konomi +1 more | 1998-03-03 |
| 5551231 | Engine exhaust gas purification device | Hiroshi Tanaka, Takaaki Itou, Keiso Takeda, Hidemi Ohnaka, Kazuhisa Kunitake | 1996-09-03 |
| 5461857 | Engine exhaust gas purification device | Takaaki Itou, Hiroshi Tanaka, Keiso Takeda, Hidemi Ohnaka, Kazuhisa Kunitake | 1995-10-31 |
| 5141164 | Fuel injector | Eishi Ohno, Yushiro Yasuda, Norihiko Nakamura, Yasuhiko Ishida, Hideto Takeda +1 more | 1992-08-25 |
| RE33942 | Double air-fuel ratio sensor system in internal combustion engine | Toshiyasu Katsuno, Nobuaki Kayanuma, Yasushi Sato, Yoshiki Chujo, Toshinari Nagai +3 more | 1992-06-02 |
| 5063886 | Two-stroke engine | Masanobu Kanamaru, Norihiko Nakamura, Yoshio Kido, Toshio Ito, Katsuhiko Hirose | 1991-11-12 |
| 4961404 | Internal combustion engine with water-cooling intercooler | Masato Itakura, Yoshinari Takakura | 1990-10-09 |
| 4957081 | Combustion chamber of an engine | Toshio Ito | 1990-09-18 |
| 4945867 | Two-stroke engine | Masanobu Kanamaru, Yushiro Yasuda, Masahiko Masubuchi, Toshio Ito, Kazuhiro Itoh | 1990-08-07 |
| 4938213 | Two-stroke engine | Toshio Itoh, Masanobu Kanamaru, Kazuhiro Itoh | 1990-07-03 |
| 4905646 | Two-stroke internal combustion engine with cylinder head valves | — | 1990-03-06 |
| 4904886 | Gate array with high driving ability cells | — | 1990-02-27 |
| 4883030 | Combustion chamber of a two-stroke engine | Masanobu Kanamaru, Toshio Itoh, Kazuhiro Itoh | 1989-11-28 |
| 4840147 | Combustion chamber of a two-stroke engine | Norihiko Nakamura, Hiroshi Noguchi, Kenichi Nomura, Toyokazu Baika, Masanobu Kanamaru +5 more | 1989-06-20 |
| 4839604 | Integrated circuit with clock distribution means for supplying clock signals | — | 1989-06-13 |
| 4823755 | Fuel injection system for an internal combustion engine | Katsuhiko Hirose, Hiroshi Noguchi, Toyokazu Baika, Kingo Horii, Hideo Nagaosa +1 more | 1989-04-25 |
| 4781154 | Two-cycle internal combustion engine | Norihiko Nakamura, Michiaki Ujihashi, Hiroshi Noguchi, Toshio Ito, Toyokazu Baika +2 more | 1988-11-01 |
| 4757216 | Logic circuit for selective performance of logical functions | — | 1988-07-12 |
| 4745741 | Double air-fuel ratio sensor system having improved response characteristics | Takatoshi Masui, Toshinari Nagai, Toshiyasu Katsuno, Yoshiki Chujo, Nobuaki Kayanuma +2 more | 1988-05-24 |
| 4739614 | Double air-fuel ratio sensor system in internal combustion engine | Toshiyasu Katsuno, Nobuaki Kayanuma, Yasushi Sato, Yoshiki Chujo, Toshinari Nagai +3 more | 1988-04-26 |
| 4739650 | Gas flow measuring apparatus | Takeo Matsuura, Yukio Mori, Akira Muramatsu, Ryo Nagasaka, Mikiyasu Kouketsu +2 more | 1988-04-26 |