Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D287606 | Reconfigurable toy lock | — | 1987-01-06 |
| D287607 | Reconfigurable toy lock | — | 1987-01-06 |
| D287258 | Reconfigurable toy robot | — | 1986-12-16 |
| D286800 | Reconfigurable toy hawk | — | 1986-11-18 |
| D286421 | Reconfigurable toy lion | — | 1986-10-28 |
| 4319231 | Fire sensing system protected from noise factors | Kohei Nakamura | 1982-03-09 |
| 4300099 | Fire detecting system | — | 1981-11-10 |
| 4234877 | Ion type smoke sensor | Kohei Nakamura | 1980-11-18 |