Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5535433 | Hands-free circuitry providing audio signal adjustment based on speaker volume value | Buntaro Sawa | 1996-07-09 |
| 5446782 | Terminal connecting device having an auto data receiving function | Hiroki Yoshida, Tsutomu Inaba | 1995-08-29 |
| 5398281 | Telephone with hands-free operation | Buntaro Sawa, Takuya Kanazumi | 1995-03-14 |
| 4739453 | Shielding apparatus for a printed circuit board | — | 1988-04-19 |