Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194942 | Authentication device and authentication method | Kenzo Mizuno, Tetsuji Tsuji, Isao Watanabe, Isao Kikuchi, Tadahito Watakai | 2012-06-05 |
| 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, Kazutaka Mitsuki, Hiroyuki Kirikawa, 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, Kazutaka Mitsuki, Hiroyuki Kirikawa, Masanori Nakahara | 2008-07-01 |
| 5566146 | Recording/apparatus and method utilizing a plurality of heads for continuously recording information and reproducing the same with delay | — | 1996-10-15 |
| 5353379 | Information reproducing apparatus and game machine including the same | Tooru Nakajima | 1994-10-04 |
| 5311324 | Apparatus with frame check capability for reproducing images by combining outputs of concurrently operating disk players storing portions of the images | Tetsuya Temma, Yasuharu Nakajima, Hiroyasu Matsuura, Jun Kono, Takuo Fujimura +2 more | 1994-05-10 |
| 5297113 | Jump operation in two-head-type video disc player | Hiroshi Hikima | 1994-03-22 |
| 5260801 | Method of recording and reproducing video format signal using division video signals on a plurality of recording media | Tetsuya Temma, Yasuharu Nakajima, Hiroyasu Matsuura, Jun Kono, Takuo Fujimura +2 more | 1993-11-09 |
| 5134500 | Video disk player with disk code demodulation using reproduced sync signal | — | 1992-07-28 |
| 5084859 | Multi-magazine disc player | Masaya Ishibashi, Yoshitaka Nojima, Komei Hashimoto | 1992-01-28 |
| 4969135 | System of alternately operating disk players | — | 1990-11-06 |