Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231130 | Magnetic recording/reproducing apparatus for searching programs recorded on magnetic tape | Shoji Ohno, Motoyoshi Sasaki, Hisashi Ohta, Yoshiyuki Azuma, Hiroto Yamauchi +1 more | 2007-06-12 |
| 6895393 | Electronic book distributing system by use of purchase certificate and devices therefor | Toru Numata, Tadashi Kuwabara, Hiroshi Shimizu, Misuzu Mochizuki, Yukinobu Tada +6 more | 2005-05-17 |
| 6389217 | Magnetic recording/reproducing apparatus for searching programs recorded on magnetic tape | Shoji Ohno, Motoyoshi Sasaki, Hisashi Ohta, Yoshiyuki Azuma, Hiroto Yamauchi +1 more | 2002-05-14 |
| 6038366 | Magnetic recording/reproducing apparatus for search programs recorded on magnetic tape | Shoji Ohno, Motoyoshi Sasaki, Hisashi Ohta, Yoshiyuki Azuma, Hiroto Yamauchi +1 more | 2000-03-14 |
| 5761371 | magnetic recording/reproducing apparatus for searching programs recorded on magnetic tape | Shoji Ohno, Motoyoshi Sasaki, Hisashi Ohta, Yoshiyuki Azuma, Hiroto Yamauchi +1 more | 1998-06-02 |