Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799241 | Liquid for preventing dispersion of or for fixing dispersible dust | — | 2010-09-21 |
| 7505644 | Optical memory reproduction apparatus and incidence positioning method for read light thereof | Yoshiaki Kurokawa, Shogo Yagi, Masahiro Endo, Tadayuki Imai, Hiroshi Yoshikawa | 2009-03-17 |
| 7368146 | Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback device | Hiroshi Yoshikawa, Takaya Tanabe, Manabu Yamamoto, Toshifumi Ohkubo, Laurence Bouet +3 more | 2008-05-06 |
| 6759137 | Opto-magnetic recording medium with a garnet ferrite recording layer, and opto-magnetic information recording/reproducing device | Hiroshi Yoshikawa, Takaya Tanabe, Manabu Yamamoto, Toshifumi Ohkubo, Laurence Bouet +3 more | 2004-07-06 |