Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8475902 | Optical recording medium | Ayumi Mitsumori, Takuma Yanagisawa | 2013-07-02 |
| 7897065 | Polycrystalline aluminum thin film and optical recording medium | Yasuo Hosoda | 2011-03-01 |
| 7790064 | Polycrystalline aluminum thin film and optical recording medium | Yasuo Hosoda | 2010-09-07 |
| 7633715 | Magnetic head for use in a heat-assisted magnetic recording apparatus | — | 2009-12-15 |
| 7263057 | On-groove recordation type optical disc | — | 2007-08-28 |
| 6844043 | Optical disk using groove recording system | — | 2005-01-18 |
| 6756574 | Focusing control apparatus and method for multi-layer optical recording medium | — | 2004-06-29 |
| 6747944 | Optical recording medium | — | 2004-06-08 |
| 6385163 | Optical recording medium | Ayako Yoshida | 2002-05-07 |
| 6280910 | Photoresist for optical disc and method of preparing optical disc utilizing photoresist | Tetsuya Iida, Hironao SASAKI, Kunizo Ogoshi | 2001-08-28 |
| 6277545 | Method of manufacturing optical disc master plate | Tetsuya Iida, Osamu Kasono | 2001-08-21 |
| 6194129 | Method of manufacturing a master optical disk | Osamu Kasono, Hiroki Kuribayashi | 2001-02-27 |
| 6009070 | Multi-layer optical disk having a reflection layer comprising thin metal film and a dielectric | Satoshi Jinno | 1999-12-28 |
| 5759657 | Optical recording medium and device for reproducing the same | Nobuaki Onagi | 1998-06-02 |
| 5716761 | Double-sided-multi-layered optical disc and a method for manufacturing the same | Tetsuya Iida, Keiji Suga | 1998-02-10 |
| 5702792 | Optical recording medium | Tetsuya Iida, Satoshi Jinno | 1997-12-30 |
| 5463608 | Apparatus for reproducing optical record medium | — | 1995-10-31 |
| 5171392 | Method of producing an optical information record carrier | Tetsuya Iida, Kunizo Ogoshi, Shinichi Yokozeki | 1992-12-15 |
| 5126996 | Optical information record carrier and the method of producing the same | Tetsuya Iida, Kunizo Ogoshi, Shinichi Yokozeki | 1992-06-30 |