Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954582 | Digital VTR and video recording / reproducing apparatus | Ayumu Okutani, Akira YAMASAKI, Tetsuro Yabumoto, Kazunori Miyata | 2005-10-11 |
| 6483984 | Magnetic recording-reproduction device | — | 2002-11-19 |
| 6204986 | Drum motor controller using microcomputer for intermittent slow VTR | — | 2001-03-20 |