Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10373641 | Optical recording medium | — | 2019-08-06 |
| 8409685 | Optical recording medium and method for manufacturing the same | Hiroshi Nakayama, Takahiro Igari, Teruyuki Ota | 2013-04-02 |
| 8105750 | Optical recording medium and method of manufacturing the same | Yutaka Wada, Toru Yano, Koichi Shigeno | 2012-01-31 |
| 8029976 | Optical recording medium and optical recording-reproducing method using thereof | Yutaka Wada, Junko Shimada, Toru Yano, Keiji Oya, Koichi Shigeno | 2011-10-04 |
| 7952985 | Recording medium, its manufacturing method, mother disc for recording medium, and its manufacturing method | Fuminori Takase | 2011-05-31 |
| 7316836 | Optical recording medium | Yutaka Wada, Toshihiro Akimori, Junko Shimada, Keiji Oya, Koichi Shigeno +1 more | 2008-01-08 |
| 6632546 | Magneto-optical recording medium | Yoshihisa Chiba | 2003-10-14 |
| 6597647 | Optical recording medium having individual drive control information recorded in the maker recording area | Masayoshi Kanno | 2003-07-22 |
| 6033538 | Magneto-optical recording medium production method | Yoshihito Fukushima, Yoshihiro Muto | 2000-03-07 |
| 5993616 | Method for producing a magneto-optical recording medium | Yoshihito Fukushima, Yoshihiro Muto | 1999-11-30 |
| 5987004 | Optical disk with reinforcing plate | — | 1999-11-16 |