Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608717 | Information recording media and optical disc presenting a character or a graphic pattern formed by specified pit patterns on data tracks | Hiroshi Banno, Ryuichi Koike, Takashi Takeuchi | 1997-03-04 |
| 5499221 | CD-ROM retrieval apparatus | Toshiyuki Oda, Takashi Takeuchi, Shiyouichirou Funato | 1996-03-12 |