Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885158 | Information recording apparatus, recording medium, and information recording method for recording information including characteristic information in correspondence to medium type information | Takao Sawabe, Yukiyoshi Haraguchi, Takeo Tobe, Kazutaka Mitsuki, Masanori Nakahara | 2011-02-08 |
| 7394739 | Method and apparatus for recording/reproducing type information onto/from a plurality of locations on a recording medium, and recording medium having type information recorded thereon at a plurality of locations | Takao Sawabe, Yukiyoshi Haraguchi, Takeo Tobe, Kazutaka Mitsuki, Masanori Nakahara | 2008-07-01 |