Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5414386 | Muting apparatus in car audio system | Hiroo Adachi | 1995-05-09 |
| 5170081 | Ground isolation circuit | Hiroo Adachi, Kouzo Nozawa, Toshiro Araki, Mutsuro Tanoue, Mitsumasa Watanabe | 1992-12-08 |