Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657466 | Circuit for designating write and read address to provide a delay time in a sound system | — | 1997-08-12 |
| 5591517 | Antireflection film | Naoki Takamiya, Makoto Nakao, Atumi Wakabayashi | 1997-01-07 |