Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402400 | Method and apparatus for eliminating external disturbances in a disk drive device | Yosuke Hamada, Haruaki Otsuki, Yuji Hata | 1995-03-28 |
| 5241435 | Servo information recording method for a storage apparatus | Yuji Hata, Takuji Ogawa, Jyousei Shimizu, Tsuyoshi Takahashi, Masahiko Sega +1 more | 1993-08-31 |