Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D343843 | Internal combustion engine | — | 1994-02-01 |
| D307148 | Internal combustion engine | — | 1990-04-10 |
| D298433 | Agricultural tractor | Masayuki Ohsumi, Kazuo Shimizu | 1988-11-08 |
| D289169 | Outboard motor | Jun Ito, Masayuki Ohsumi | 1987-04-07 |
| D289170 | Outboard motor | Jun Ito, Masayuki Ohsumi | 1987-04-07 |
| D286157 | Outboard engine | Jun Ito, Masayuki Ohsumi | 1986-10-14 |
| D281611 | Powered agricultural apparatus | — | 1985-12-03 |
| D280824 | Cultivator | — | 1985-10-01 |
| D276997 | Engine generator | — | 1985-01-01 |
| D269261 | Motortricycle | — | 1983-06-07 |