Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323123 | Wristwatch | Toshiro Matsubara, Noriyuki Otake | 1992-01-14 |
| 4506650 | Ignition device for internal combustion engines | Hirokazu Shimojo | 1985-03-26 |
| 4243202 | Water induction system for internal combustion engines | — | 1981-01-06 |