Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960094 | Knocking control system for internal combustion engines | Yuzuru Koike, Yukio Miyashita, Yoshiaki Akimoto, Isao Yahata | 1990-10-02 |
| 4938187 | Fuel control apparatus for engine | — | 1990-07-03 |
| 4938188 | Engine control apparatus | Isao Yahata | 1990-07-03 |
| 4917057 | Control method for valve-timing changeover in engine | — | 1990-04-17 |
| 4868756 | Method of indicating a shift operation of a manual transmission gear of a vehicle | Tomohiko Kawanabe, Masahiko Asakura, Katsuhiko Kimura, Kouji Matsuura, Hiroshi Hasebe | 1989-09-19 |
| 4818362 | Oxygen concentration sensing apparatus | Masahiko Asakura, Tomohiko Kawanabe, Minoru Muroya, Shin'ichi Kubota, Katsuhiko Kimura +1 more | 1989-04-04 |
| 4804454 | Oxygen concentration sensing apparatus | Masahiko Asakura, Takanori Shiina, Minoru Muroya | 1989-02-14 |
| 4763265 | Air intake side secondary air supply system for an internal combustion engine with an improved duty ratio control operation | Tomohiko Kawanabe, Masahiko Asakura, Noritaka Kushida, Takanori Shiina, Minoru Muroya | 1988-08-09 |
| 4715350 | Air intake side secondary air supply system for an internal combustion engine with a duty ratio control operation | Tomohiko Kawanabe, Noritaka Kushida, Masahiko Asakura | 1987-12-29 |