Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9111555 | Optical recording medium | Makoto Watanabe | 2015-08-18 |
| 8409685 | Optical recording medium and method for manufacturing the same | Masatsugu Suwabe, Hiroshi Nakayama, Teruyuki Ota | 2013-04-02 |
| 8293352 | Optical recording medium and method for manufacturing the same | — | 2012-10-23 |
| 8154981 | Record medium, its manufacturing method, mother disc for record medium, and its manufacturing method | Sohmei Endoh, Makoto Watanabe, Hiroyuki Takemoto, Tadao Suzuki, Katsuhiko Ohtomo +2 more | 2012-04-10 |
| 7782744 | Systems and methods for forming a master disk utilizing variation in an applied signal power for forming uniform pits | Sohmei Endoh, Noriyuki Saito, Takeshi Gouko, Shinji Minegishi, Eijiro Kikuno | 2010-08-24 |
| 7706245 | High density optical disc having small track pitch | Sohmei Endoh, Noriyuki Saito, Takeshi Gouko, Shinji Minegishi, Eijiro Kikuno | 2010-04-27 |
| 7529175 | Method for making an optical disc having a track pitch smaller than a recording beam diameter | Sohmei Endoh, Noriyuki Saito, Takeshi Gouko, Shinji Minegishi, Eijiro Kikuno | 2009-05-05 |