Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905104 | Rotary head type digital signal recording and/or reproducing apparatus for recording and/or reproducing with a variable speed | Hiroo Okamoto, Takaharu Noguchi, Masaharu Kobayashi | 1990-02-27 |
| 4600953 | Head switching signal producing circuit for a magnetic recording and reproducing apparatus | Takashi Furuhata, Yoshinori Masuda | 1986-07-15 |
| 4599569 | Method and apparatus for detecting a phase or frequency error of a signal | Takashi Furuhata, Yuuhei Abe, Kenji Satoh | 1986-07-08 |