Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354969 | Positive-temperature-coefficient thermistor heating device and process for production of the same | Yosinori Akiyama, Hidetaka Hayashi, Yasuhiro Oya, Keiichi Yamada, Yasuaki Tsujimura | 1994-10-11 |
| 5163234 | Hand drier control apparatus | Ryohei Tsukamoto, Tadanobu Hosaka, Takashi Kojima, Hidetaka Hayashi | 1992-11-17 |
| 4685437 | Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage | Toshiaki Tanaka, Hitoshi Niwa, Hirokatsu Mukai, Naoto Miwa, Etsuji Nomura +3 more | 1987-08-11 |
| 4651702 | Air-fuel mixture heating device for internal combustion engine | Akio Yazawa, Yosinori Akiyama | 1987-03-24 |
| 4593670 | Fuel evaporator for internal combustion engine | Akio Yazawa, Yoshinori Akiyama | 1986-06-10 |
| 4539108 | Fuel heating type fuel filter device | Kouji Izutani, Isamu Shigeta, Hidetaka Hayashi | 1985-09-03 |
| 4459123 | Driving method for auxiliary machinery of a vehicle | Toshiharu Tatsunaka, Keiji Tsuchiya, Tsuyoshi Adachi | 1984-07-10 |
| 4432711 | Vane pump with cylinder profile defined by cycloid curves | Keiji Tsuchiya, Hideaki Sasaya | 1984-02-21 |
| 4402655 | Vane pump with symmetrical inclined fluid confinement initiating line | Hideaki Sasaya, Shigeru Takagi, Takao Mitsui | 1983-09-06 |
| 4310419 | Filter element for liquid straining filter | Hideaki Sasaya | 1982-01-12 |
| 4279864 | Monolithic catalyst converter | Shigeru Takagi, Kazuma Matsui | 1981-07-21 |