Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5745586 | Sound quality control system | Mitsuhiko Serikawa | 1998-04-28 |
| 5381482 | Sound field controller | Masaharu Matsumoto, Mitsuhiko Serikawa, Akihisa Kawamura, Hiroko Numazu, Takeshi Norimatsu +1 more | 1995-01-10 |
| 5164840 | Apparatus for supplying control codes to sound field reproduction apparatus | Akihisa Kawamura, Masaharu Matsumoto, Mitsuhiko Serikawa, Katsuaki Sato, Hiroko Yoshida +1 more | 1992-11-17 |