Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636153 | Digital signal processing circuit | Shinichi Muramatsu, Toru Shirayanagi | 1997-06-03 |
| 5619579 | Reverberation imparting apparatus | Shigeo Ando, Shinichi Muramatsu | 1997-04-08 |