Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675694 | Video disk, recording apparatus of video disk, and its reproducing apparatus | Takeshi Nakajima, Shigeru Furumiya, Takashi Inoue | 1997-10-07 |
| 5636194 | Method of recording and reproducing data on a disk | Shigeru Furumiya, Takeshi Nakajima | 1997-06-03 |