Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886969 | High-density information recording/reproducing method | Takeshi Maeda, Hisataka Sugiyama, Hiroyuki Awano, Harukazu Miyamoto, Kouichirou Wakabayashi +5 more | 1999-03-23 |
| 5835469 | High-density information recording/reproducing method | Takeshi Maeda, Hisataka Sugiyama, Hiroyuki Awano, Harukazu Miyamoto, Kouichirou Wakabayashi +5 more | 1998-11-10 |
| 5462811 | Magneto-optical recording media and mangeto-optical device using the media | Harukazu Miyamoto, Makoto Miyamoto, Toshio Niihara, Masahiro Ojima | 1995-10-31 |
| 5434844 | Magneto-optical recording media and magneto-optical recording device using the same | Harukazu Miyamoto, Toshio Niihara, Masahiro Ojima | 1995-07-18 |
| 5368986 | Information recording media, manufacturing method for the same, and information recording method | Motoyasu Terao, Shigenori Okamine, Yasushi Miyauchi, Masahiko Takahashi, Masaaki Futamoto +1 more | 1994-11-29 |
| 5263015 | Magneto-optical recording media and overwrite recording method using the same | Toshio Niihara, Harukazu Miyamoto, Makoto Miyamoto, Tsuyoshi Toda, Atsushi Saito +3 more | 1993-11-16 |
| 5257256 | Recording waveform for mark-length modulation optical recording | Motoyasu Terao, Tetsuya Nishida, Hiroshi Yasuoka, Norio Ohta | 1993-10-26 |
| 5084857 | Information recording method using a modulated recording beam at high, intermediate and low power levels | Yasushi Miyauchi, Motoyasu Terao, Hiroshi Yasuoka, Tetsuya Nishida | 1992-01-28 |
| 5038338 | Recording waveform for mark-length modulation optical recording | Motoyasu Terao, Tetsuya Nishida, Hiroshi Yasuoka, Norio Ohta | 1991-08-06 |
| 4984231 | Optical information phase change recording medium having double protective layer | Hiroshi Yasuoka, Norio Murase, Motoyasu Terao, Tetsuya Nishida, Masahiro Ojima | 1991-01-08 |
| 4982396 | Information recording medium and apparatus using reversible phase change | Hiroshi Yasuoka, Masahiro Ojima, Motoyasu Terao, Tetsuya Nishida | 1991-01-01 |
| 4622264 | Garnet film for magnetic bubble memory element | Yuzuru Hosoe, Norio Ohta, Yutaka Sugita | 1986-11-11 |