Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693856 | MAGNETO-OPTICAL DISK APPARATUS CAPABLE OF ACCURATE REPRODUCTION OF SIGNAL BY REMOVING MAGNETIC INFLUENCE BY MAGNET INCLUDED IN OPTICAL HEAD AND METHOD OF DETECTING INTENSITY OF MAGNETIC FIELD APPLIED BY MAGNET | Masaaki Shidochi, Kanichi KOYAMA, Yoichi Tsuchiya, Seiji Kajiyama, Seiichiro Takahashi | 2004-02-17 |
| 6590991 | Sound-vibration generator | — | 2003-07-08 |