Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147950 | Recording and reproducing apparatus and recording and reproducing method | Hiroshi Sakamoto, Nobuaki Hisamatsu, Takahiro Yamaguchi, Yozo Tanaka | 2000-11-14 |
| 6018504 | Recording device capable of recording broadcast signals at a desired time | Hiroshi Sakamoto, Nobuaki Hisamatsu, Takahiro Yamaguchi, Yozo Tanaka | 2000-01-25 |