Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099105 | Disk-shaped information recording medium, disk cartridge and information recording and reproducing apparatus | Mamoru Shoji, Yoshihiro Kawasaki, Shuji Tabuchi, Kazuya Hisada | 2015-08-04 |
| 9015735 | Disk-shaped information recording medium, disk cartridge, and information recording/reproducing apparatus | Mamoru Shoji, Shuji Tabuchi, Yoshihiro Kawasaki | 2015-04-21 |
| 8930974 | Disk-shaped information recording medium, disk cartridge, and information recording/reproducing apparatus | Mamoru Shoji, Shuji Tabuchi, Yoshihiro Kawasaki | 2015-01-06 |
| 6982016 | Optical information recording medium and its manufacturing method and apparatus | Eiji Ohno, Hideo Matsumoto, Kazuhiro Hayashi, Kazuya Hisada, Kazuo Inoue | 2006-01-03 |
| 6977018 | Optical information recording medium and its manufacturing method and apparatus | Eiji Ohno, Hideo Matsumoto, Kazuhiro Hayashi, Kazuya Hisada, Kazuo Inoue | 2005-12-20 |
| 6706359 | Optical information recording medium and method for manufacturing the same | Norihisa Mino, Eiji Ohno | 2004-03-16 |
| 6613170 | Optical information recording medium and its manufacturing method and apparatus | Eiji Ohno, Hideo Matsumoto, Kazuhiro Hayashi, Kazuya Hisada, Kazuo Inoue | 2003-09-02 |
| 6447869 | Optical information recording medium and method for producing the same | Eiji Ohno, Akihiro Moteki | 2002-09-10 |
| 6291046 | Optical information recording medium and method for producing the same | Eiji Ohno, Akihiro Moteki | 2001-09-18 |
| 6261661 | Optical information recording medium and method for producing the same | Eiji Ohno, Akihiro Moteki | 2001-07-17 |
| 6165578 | Optical information recording medium and method for producing the same | Eiji Ohno, Akihiro Moteki | 2000-12-26 |
| 5989654 | Method for manufacturing an optical information recording medium | Kazumi Yoshioka, Eiji Ohno, Hiroyuki Ohta | 1999-11-23 |
| 5674649 | Method of recording information | Kazumi Yoshioka, Tetsuya Akiyama, Takeo Ohta | 1997-10-07 |
| 5665520 | Optical recording medium | Kazumi Yoshioka, Tetsuya Akiyama, Takeo Ohta | 1997-09-09 |
| 5256518 | Information storage disk employing a reflective layer having good malleability | Tetsuya Akiyama, Takeo Ohta, Shigeaki Furukawa | 1993-10-26 |
| 5147701 | Information recording medium | Shigeaki Furukawa, Takeo Ohta, Tetsuya Akiyama | 1992-09-15 |