Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8890620 | Power amplifier | Toru Maniwa | 2014-11-18 |
| 7521135 | Recording medium and method of making the same | Takeshi Morikawa, Takuya Kamimura | 2009-04-21 |
| 7164623 | Magneto-optical recording medium | Ryo Kurita, Shoyu Ito, Motonobu Mihara | 2007-01-16 |
| 7090933 | Magneto-optical recording medium including a soft magnetic layer, a protective layer and a silane coupling agent layer, in this order | Yuzuru Yamakage, Takuya Kamimura, Mineo Moribe, Keiji Shono | 2006-08-15 |
| 6865039 | Master medium for magnetic transfer, magnetic transferring and recording method, slave medium for magnetic recording, and method for producing a master medium for magnetic transfer | Shingo Hamaguchi, Sumio Kuroda, Kazuyuki Ozaki, Koji Matsumoto | 2005-03-08 |
| 6844083 | Magneto-optical recording medium possessing a magnetic assist layer | Toshio Sugimoto | 2005-01-18 |
| 6821642 | Magneto-optical recording medium with first and second magnetic layers with almost equal Curie temperatures | — | 2004-11-23 |
| 6770387 | Magneto-optical recording medium and method of reproducing the same | Tsutomu Tanaka, Motonobu Mihara | 2004-08-03 |
| 6356516 | Magneto-optical recording medium and reproducing method for information recorded on the medium | Keiji Shono, Sumio Kuroda, Motonobu Mihara, Koji Matsumoto | 2002-03-12 |
| 6333899 | High density magneto-optical recording medium and production method thereof | Yoshihiro Muto | 2001-12-25 |
| 6248439 | Magneto-optical recording medium and reproducing method for information recorder on the medium | Keiji Shono, Sumio Kuroda, Motonobu Mihara, Koji Matsumoto | 2001-06-19 |
| 6180268 | Magneto-optical recording medium | Masakazu Taguchi | 2001-01-30 |
| 6103407 | Magneto-optical recording medium and method of using same | Haruhiko Izumi, Masakazu Taguchi, Tomonori Ikeya, Tsutomu Tanaka, Toshio Sugimoto | 2000-08-15 |
| 6096444 | Magneto-optical recording medium capable of double mask readout | Koji Matsumoto, Keiji Shono | 2000-08-01 |
| 6031794 | Magneto-optical recording medium and method of producing the same | Toshio Sugimoto, Tsutomu Tanaka, Motonobu Mihara, Keiji Shono | 2000-02-29 |
| 6030716 | Magneto-optical recording medium and method of reproducing information recorded on such medium | Haruhiko Izumi, Masaharu Moritsugu, Miyozo Maeda, Toshio Sugimoto, Koji Matsumoto +1 more | 2000-02-29 |
| 5965285 | Magneto-optical recording medium and reproducing method for the same | Motonobu Mihara | 1999-10-12 |
| 5966350 | Magneto-optical recording medium and method of reading the same | Tsutomu Tanaka | 1999-10-12 |
| 5959942 | Method and apparatus for reading a magneto-optical recording medium with asymmetrical edges | Masakazu Taguchi, Akihiro Itakura | 1999-09-28 |
| 5896350 | Magneto-optical recording medium and method of producing the same | Toshio Sugimoto, Tsutomu Tanaka, Motonobu Mihara, Keiji Shono | 1999-04-20 |
| 5871855 | Magneto-optical recording medium and method of using same | Haruhiko Izumi, Masakazu Taguchi, Tomonori Ikeya, Tsutomu Tanaka, Toshio Sugimoto | 1999-02-16 |
| 5754500 | Magneto-optical recording medium and method of reading the same | Tsutomu Tanaka | 1998-05-19 |
| 5747136 | High-density magneto-optic disk and method of manufacturing the same | Keiji Shono, Yasunobu Hashimoto, Sumio Kuroda | 1998-05-05 |
| 5740133 | Magneto-optical recording medium capable of double mask readout | Koji Matsumoto, Keiji Shono | 1998-04-14 |
| 5691072 | Magneto-optical recording medium and method of reproducing information recorded on such medium | Haruhiko Izumi, Masaharu Moritsugu, Miyozo Maeda, Toshio Sugimoto, Koji Matsumoto +1 more | 1997-11-25 |