Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638311 | Filter coefficient estimation apparatus | Juro Ohga | 1997-06-10 |
| 5602926 | Method and apparatus of determining the sound transfer characteristic of an active noise control system | Tadashi Ohashi, Juro Ohga | 1997-02-11 |