Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895231 | Carrying case | Shigeru Yamaguchi, Shunichi Miyako | 1990-01-23 |
| 4739316 | Structure of portable electronic apparatus | Shigeru Yamaguchi, Tetsuo Nishihara | 1988-04-19 |
| 4202607 | Mirror with information display | Isamu Washizuka, Satoshi Teramura | 1980-05-13 |