Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181506 | Tracking control device | Shinichi Yamashita, Nobutoshi Takayama | 2001-01-30 |
| 6014284 | Signal reproducing apparatus having rotary heads rotating 180.degree. out of phase and producing signals for tracking control | Nobutoshi Takayama | 2000-01-11 |
| 5978171 | Information signal reproducing apparatus with diverse mode tracking control | — | 1999-11-02 |
| 5875065 | Information recording reproducing apparatus using pilot signals to correct tracking error | — | 1999-02-23 |
| 4639379 | Method for the improvement of antistatic performance of synthetic resin shaped articles | Michihiko Asai, Keishiro Tsuda, Susumu Ueno, Hirokazu Nomura, Kiyoshi Imada | 1987-01-27 |
| 4619897 | Enzyme immobilization in a fluorine resin membrane | Masakatsu Hato, Keishiro Tsuda | 1986-10-28 |