Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7318559 | Tape cartridge | Hitomi Chiba, Shuichi Kikuchi, Kazuo Sasaki, Takaaki Sanpei | 2008-01-15 |
| 7118061 | Tape reel and tape cartridge having the same | Takaaki Sanpei, Shuichi Kikuchi, Kazuo Sasaki, Hitomi Chiba | 2006-10-10 |
| 6385004 | Recording and/or reproduction system for recording medium | Takaaki Sanpei | 2002-05-07 |