Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871993 | Self-diagnostic apparatus for vehicle meter | Takatoshi Hayashi, Yoichiro Tanaka, Takashi Nishimoto, Masakazu Kobayashi | 1989-10-03 |
| 4866376 | Cross-oil instrument having testing apparatus for vehicular sensor disconnection indication | Masahiro Ishikawa, Masao Kawagishi, Takatoshi Hayashi | 1989-09-12 |
| 4835970 | Pneumatic power brake system | Morihiko Shimamura, Jun Kubo, Hitoshi Kubota, Yoshio Tobisawa, Yasuki Ishikawa +1 more | 1989-06-06 |