Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811889 | Magneto-optical recording medium having a GDFECO readout magnetic film | Yoshihiko Kudoh, Yasumori Hino, Masahiro Birukawa | 2004-11-02 |
| 6521357 | Magneto-optical recording medium | Yoshihiko Kudoh, Yasumori Hino, Masahiro Birukawa | 2003-02-18 |
| 6399227 | Magneto-optical recording medium | Yoshihiko Kudoh, Yasumori Hino, Masahiro Birukawa | 2002-06-04 |
| 5724338 | Rewritable disk-shaped optical recording medium | Masahiro Birukawa, Norio Miyatake, Yoshihiko Kudoh, Yasumori Hino | 1998-03-03 |
| 5422874 | Optical recording disk, and recording/reading apparatus using same | Masahiro Birukawa, Norio Miyatake, Yoshihiko Kudoh, Yasumori Hino | 1995-06-06 |