Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D321513 | Combined tape player and radio tuner | Keiichi Totsuka | 1991-11-12 |
| D320789 | Compact disc player | — | 1991-10-15 |
| D316550 | Combined earphone and receiver | — | 1991-04-30 |
| D316263 | Tape player | — | 1991-04-16 |
| D315157 | Compact disc player | — | 1991-03-05 |
| D310669 | Combined tape player and radio tuner | — | 1990-09-18 |
| D304172 | Storage battery | Kunio Takeyama | 1989-10-24 |
| D297641 | Television projector | — | 1988-09-13 |