Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532914 | Internal combustion engine | — | 2003-03-18 |
| 5088454 | Intake system for automotive engine | Tsutomu Nagamatsu | 1992-02-18 |
| 5018485 | Intake system for automative engine | Tsutomu Nagamatsu | 1991-05-28 |
| 5007386 | Intake system for automotive engine | Tsutomu Nagamatsu | 1991-04-16 |
| 5005534 | Intake system for automotive engine | Tsutomu Nagamatsu | 1991-04-09 |
| 5005553 | Ventilation system for automotive engine | Tsutomu Nagamatsu | 1991-04-09 |