Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006844 | Tire abnormality detecting device | Hisami Masuda, Mamoru Makishima | 1991-04-09 |
| 4257040 | Engine rotational information detecting apparatus | Shinji Shirasaki, Takao Sugisaki | 1981-03-17 |