Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844045 | Method for making optical information medium and optical information medium | Tsuyoshi Komaki, Tomoki Ushida, Mamoru Usami | 2005-01-18 |
| 6811850 | Optical information medium and its fabrication process | — | 2004-11-02 |
| 6775838 | Optical information medium and its testing method | Tsuyoshi Komaki, Naoki Hayashida | 2004-08-10 |
| 6731590 | Optical recording medium containing a substrate, an intermediate layer having therein an amorphous material, the intermediate layer having a reflective layer thereon | Hiroshi Shingai | 2004-05-04 |
| 6706360 | Optical recording medium | Hiroyasu Inoue | 2004-03-16 |
| 6689415 | Method and apparatus for preparing optical information medium | Tsuyoshi Komaki, Kenji Yamaga | 2004-02-10 |
| 6680899 | Optical information medium | Tsuyoshi Komaki, Naoki Hayashida, Toshifumi Tanaka | 2004-01-20 |
| 6667952 | Optical storage medium having a specific light transmitting layer for small laser beam and high linear velocity | Tsuyoshi Komaki, Tatsuya Kato | 2003-12-23 |
| 6665260 | Optical recording medium including protruding winding parts used as prepits | Tatsuya Kato, Hajime Utsunomiya, Hiroyasu Inoue | 2003-12-16 |
| 6600717 | Optical information medium | Naoki Hayashida, Tsuyoshi Komaki | 2003-07-29 |
| 6596363 | Optical information medium | Naoki Hayashida | 2003-07-22 |
| 6590856 | Optical information medium | Takuya Tsukagoshi, Naoki Hayashida, Tsuyoshi Komaki | 2003-07-08 |
| 6576320 | Optical information medium and evaluation method | Naoki Hayashida, Toshifumi Tanaka | 2003-06-10 |
| 6540397 | Optical information storage medium | Jiro Yoshinari, Takuya Tsukagoshi, Naoki Hayashida, Tokuyuki Honda, Mark McDonald +6 more | 2003-04-01 |
| 6511729 | Optical information medium and making method | — | 2003-01-28 |
| 6410116 | Optical information medium and its fabrication process | — | 2002-06-25 |
| 6403193 | Optical recording medium | Hiroshi Shingai, Tatsuya Kato | 2002-06-11 |
| 6249509 | Optical device with protective cover | Hajime Utsunomiya, Isamu Kuribayashi, Hiroshi Tanabe | 2001-06-19 |
| 6091503 | Method for determining mechanical property of resin discs and optical discs | Isamu Kuribayashi | 2000-07-18 |
| 6087067 | Optical recording medium | Tatsuya Kato, Hajime Utsunomiya, Tsuyoshi Komaki | 2000-07-11 |
| 5936934 | Optical disc having substrates with a specified thickness/diameter ratio and an adhesive layer with a specified Young's modulus range and mechanical dissipation factor range | Isamu Kuribayashi, Akira Itoga | 1999-08-10 |
| 5604005 | Magneto-optical disc | Hiroyuki Endo, Tsuyoshi Komaki, Isamu Kuribayashi | 1997-02-18 |
| 5580633 | Magneto-optical disc having a protective layer of cured radiation curable resin containing carbon particles | Tsuneo Kuwahara, Hiroyuki Endo, Isamu Kuribayashi | 1996-12-03 |
| 5578355 | Magneto-optical disk having a microporous protective coating containing a lubricant | Hiroyuki Endo, Isamu Kuribayashi, Tsuyoshi Komaki | 1996-11-26 |
| 5571629 | Optical recording medium | Hajime Utsunomiya, Kenji Uchiyama, Hideki Ishizaki, Suguru Takayama | 1996-11-05 |