Issued Patents All Time
Showing 101–125 of 140 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907952 | Turbocharger | Shunji Yano, Hideo Yamaji, Takayuki Hirayama, Masato Hayama | 1990-03-13 |
| 4907550 | Apparatus for changing operation timing of valves for internal combustion engine | Masaaki Katoh | 1990-03-13 |
| 4899701 | Valve operation control device for internal combustion engine | Noriyuki Kishi | 1990-02-13 |
| 4891946 | Apparatus for control of operational characteristics of supercharger in internal combustion engine | — | 1990-01-09 |
| 4880351 | Variable capacity turbine | Osamu Kubota, Shunji Yano, Fusao Tateishi, Etsuo Noda, Koji Yamaguchi +1 more | 1989-11-14 |
| 4877456 | Antioxidant wax for rubber | Kaoru Chikamune, Manabu Tokuda, Kyoshi Utsunomiya, Yoshii Hitofude | 1989-10-31 |
| 4869214 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1989-09-26 |
| 4854125 | Hydrostatically operated continuously variable transmission | — | 1989-08-08 |
| 4848086 | Boost pressure control method for a supercharged internal combustion engine | Osamu Kubota, Noriyuki Kishi, Atsushi Katoh | 1989-07-18 |
| 4814239 | Vertical magnetic recording medium and method of manufacturing the same | Motozo Yoshikiyo, Shizuka Yoshii, Iwao Okamoto | 1989-03-21 |
| 4793296 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1988-12-27 |
| 4790274 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1988-12-13 |
| 4788946 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1988-12-06 |
| 4741297 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1988-05-03 |
| 4735178 | Turbo-supercharger for internal combustion engine | Masatoshi Suzuki, Ryo Narisawa, Isao Terabe, Osamu Kubota | 1988-04-05 |
| 4727830 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1988-03-01 |
| 4727831 | Valve operating mechanism for internal combustion engine | Kenichi Nagahiro, Yoshio Ajiki, Masaaki Katoh | 1988-03-01 |
| 4647194 | Device for judging brilliancy of precious stones such as diamonds or the like | Tsuyoshi Shigetomi | 1987-03-03 |
| 4638782 | Apparatus for controlling fuel injection timing in a fuel injection pump | Seishi Yasuhara, Mitsuo Hagiwara, Kyoichi Fujimori, Akira Sekiguchi, Hiroshi Okada | 1987-01-27 |
| 4617902 | Apparatus for controlling fuel injection timing of fuel injection apparatus | Yutaka Hirano, Seishi Yasuhara | 1986-10-21 |
| 4573347 | Apparatus for measuring fuel injection advance angle in diesel engine | Akira Sekiguchi, Takeo Ichikawa, Kyoichi Fujimori, Yutaka Hirano, Seishi Yasuhara | 1986-03-04 |
| 4570031 | High capacitance laminated buss and method of manufacture | — | 1986-02-11 |
| 4564832 | Membrane keyboard having key closure retention | — | 1986-01-14 |
| 4552724 | Reaction and heat exchanger apparatus | Tadao Matsumoto | 1985-11-12 |
| 4550794 | Motorcycle having an engine with a supercharger | Tsuneo Otsuka | 1985-11-05 |