Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868756 | Method of indicating a shift operation of a manual transmission gear of a vehicle | Tomohiko Kawanabe, Masahiko Asakura, Yasunari Seki, Kouji Matsuura, Hiroshi Hasebe | 1989-09-19 |
| 4818362 | Oxygen concentration sensing apparatus | Masahiko Asakura, Tomohiko Kawanabe, Minoru Muroya, Shin'ichi Kubota, Yasunari Seki +1 more | 1989-04-04 |