Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154077 | Chassis dynamometer | — | 1992-10-13 |
| 5142902 | Twin roller chassis dynamometer | Akira Yamamoto | 1992-09-01 |
| 5063773 | Dynamometer | Akira Yamamoto, Satoru Taneda | 1991-11-12 |
| 4234646 | Engraving board for print-production | — | 1980-11-18 |