Issued Patents 1989
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880084 | Mechanical linear lock with redundant locking feature | Jimmy C. Lee | 1989-11-14 |
| 4873760 | Vessel lid mounting and demounting apparatus | Naoto Watanabe, Takayuki Matsumoto, Yutaka Ohmura, Hisao Kojima | 1989-10-17 |
| 4872439 | Device for preventing outflow of a fuel vapor from a fuel tank | Hidefumi Sonoda, Eiji Mori, Mitsuo Kawase, Kazuhiro Yoneshige, Akira Takahashi +1 more | 1989-10-10 |
| 4868409 | Vehicular anti-theft system | Norimitsu Kurihara | 1989-09-19 |
| 4862139 | Anti-theft system for automotive vehicles | Masaaki Fukamachi, Nobuyuki Onitsuka, Kazuo Nakamura | 1989-08-29 |
| 4856480 | Apparatus for controlling ignition timing in internal combustion | Toyohei Nakajima, Toshiyuki Mieno, Akira Nagao, Yukihiko Suzaki | 1989-08-15 |
| 4841935 | Variable air induction control system for internal combustion engine | Hideji Yamada, Akira Nagao, Toyohei Nakajima, Yukihiko Suzaki, Masao Jogen | 1989-06-27 |
| 4818676 | Silver halide photographic emulsion | Susumu Baba, Eigi Matsubara, Katsuaki Iwaosa | 1989-04-04 |
| 4809532 | Method of manufacturing split ring springs for snap fasteners | Kenji Hasegawa | 1989-03-07 |
| 4808812 | Composite type light sensor having plural sensors with different light receiving angle optical characteristics | Shigeru Kimura, Toshiaki Ikeda, Toru Tanabe, Seiichi Suto, Takao Seto | 1989-02-28 |
| 4802454 | Device for controlling ignition timing in internal combustion engine | — | 1989-02-07 |
| 4800500 | Method of detecting cylinder pressure in internal combustion engine | — | 1989-01-24 |
| 4796586 | Method of and apparatus for controlling ignition timing in internal combustion engine | Akira Nagao, Yukihiko Suzaki, Hideji Yamada, Toyohei Nakajima, Toshiyuki Mieno | 1989-01-10 |