Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125868 | Optical disc, optical disc recording apparatus and method, optical disc reproducing method | Yoichiro Sako, Takashi Kihara, Tatsuya Inokuchi | 2012-02-28 |
| 7719929 | Recording and reproducing apparatus, recording and reproducing method, and storage medium for displaying symbols and reproducing desired data | Akira Tange, Yoichiro Sako, Shunsuke Furukawa, Junichi Kudo, Kaoru Kijima +4 more | 2010-05-18 |
| 7616529 | Recording and reproducing apparatus, recording and reproducing method, and storage medium | Akira Tange, Yoichiro Sako, Shunsuke Furukawa, Junichi Kudo, Kaoru Kijima +4 more | 2009-11-10 |
| 7483957 | Server, distribution system, distribution method and terminal | Yoichiro Sako, Shunsuke Furukawa, Mitsuru Toriyama, Tatsuya Inokuchi, Kaoru Kijima +4 more | 2009-01-27 |
| 7327640 | Recording and reproducing apparatus, recording and reproducing method, and storage medium | Akira Tange, Yoichiro Sako, Shunsuke Furukawa, Junichi Kudo, Kaoru Kijima +4 more | 2008-02-05 |
| 7324423 | Data recording method recorder and data reproducing method and device | Yoichiro Sako, Akiya Saito, Yoshinobu Usui, Yoriaki Kanada, Tatsuya Inokuchi +2 more | 2008-01-29 |
| 7242654 | Data recording medium, data recording method and apparatus and data reproducing method and apparatus | Yoichiro Sako, Tatsuya Inokuchi | 2007-07-10 |
| 7221636 | Data recording apparatus and associated method of imparting data to a recording medium by irradiating a reflectivity layer of the medium | Yoichiro Sako, Tatsuya Inokuchi, Yoriaki Kanada, Yoshinobu Usui, Akiya Saito | 2007-05-22 |
| 6852383 | Optical disc, recording apparatus and method for optical disc, and its reproducing method | Yoichiro Sako, Takashi Kihara, Tatsuya Inokuchi | 2005-02-08 |
| 6424614 | Data recording medium and record/playback apparatus using the data recording medium | Makoto Kawamura, Yoshiyuki Akiyama, Yasushi Fujinami, Jun Yonemitsu | 2002-07-23 |
| 6057995 | Disc cartridge with aperture for access to disc provided with shutter arranged for minimizing overall size of cartridge | Keitaro Yamashita, Sakae Imaizumi, Keisuke Tejima | 2000-05-02 |
| 6058241 | Playback method and apparatus for reproducing encoded data in a reverse playback operation | Makoto Kawamura, Yasushi Fujinami, Jun Yonemitsu | 2000-05-02 |
| 5381275 | Apparatus and method for recording digital data with a controlled data compression ratio | Hajime Nitta, Masatoshi Takashima, Takehiko Saito, Keitaro Yamashita | 1995-01-10 |
| 5348244 | Tape cassette case having ridges bearing a sliding reel lock member | — | 1994-09-20 |
| 5279476 | Tape cassette lid having projection for preventing tape pinching | Hiroshi Fujii | 1994-01-18 |
| 5072316 | Recording apparatus | Yukio Kubota, Norio Shindo, Yoichirou Senshu, Akihiro Uetake | 1991-12-10 |
| 4584613 | Apparatus for recording video signals at a plurality of different recording speeds | Shinji Amari | 1986-04-22 |