Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497000 | Hearing aid | Mikio Shiba | 2004-10-05 |
| D497001 | Hearing aid | Mikio Shiba | 2004-10-05 |
| 6041128 | Battery receiving chamber and hearing aid | Toshiyuki Araki | 2000-03-21 |
| D375556 | Hearing aid | Noboru Inoue | 1996-11-12 |
| D368309 | Earplug for a hearing aid | — | 1996-03-26 |
| D354568 | Hearing aid | Toshiyuki Araki, Noboru Inoue | 1995-01-17 |
| 5347584 | Hearing aid | — | 1994-09-13 |
| 5187746 | Structure of battery receiving chamber | — | 1993-02-16 |