Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7782744 | Systems and methods for forming a master disk utilizing variation in an applied signal power for forming uniform pits | Sohmei Endoh, Noriyuki Saito, Takahiro Igari, Takeshi Gouko, Shinji Minegishi | 2010-08-24 |
| 7706245 | High density optical disc having small track pitch | Sohmei Endoh, Noriyuki Saito, Takahiro Igari, Takeshi Gouko, Shinji Minegishi | 2010-04-27 |
| 7529175 | Method for making an optical disc having a track pitch smaller than a recording beam diameter | Sohmei Endoh, Noriyuki Saito, Takahiro Igari, Takeshi Gouko, Shinji Minegishi | 2009-05-05 |
| 6524418 | Method of production of multilayer optical recording medium | Takeshi Yamasaki, Tomomi Yukumoto, Toshiyuki Kashiwagi, Yuji Akiyama | 2003-02-25 |