Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7499770 | Data processing device with cooling fan | — | 2009-03-03 |
| 5216421 | Indicator for small watercraft | Satoshi Yamamoto | 1993-06-01 |
| 5103673 | Fluid level indicator for small watercraft | Satoshi Yamamoto | 1992-04-14 |
| 4956997 | Vessel speed detecting device | Kazuhiro Nakamura, Tatsuya Yoshioka, Tomoji Nakamura | 1990-09-18 |
| 4943777 | Battery voltage warning device | Kazuhiro Nakamura, Tatsuya Yoshioka, Tomoji Nakamura | 1990-07-24 |
| 4932249 | Speedometer for marine vessels | Kazuhiro Nakamura, Tomoji Nakamura | 1990-06-12 |
| 4916644 | Running speed detecting device for marine vessels | Tomoji Nakamura, Kazuhiro Nakamura, Tatsuya Yoshioka | 1990-04-10 |
| 4914945 | Vessel speed detecting device | Kazuhiro Nakamura, Tatsuya Yoshioka, Tomoji Nakamura | 1990-04-10 |
| 4914946 | Vessel speed detecting device | Kazuhiro Nakamura, Tatsuya Yoshioka, Tomoji Nakamura | 1990-04-10 |
| 4821567 | Running speed detecting device for marine vessels | Tomoji Nakamura, Kazuhiro Nakamura | 1989-04-18 |