Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8842392 | Magnetic recording medium and magnetic recording apparatus | Kazuto Kashiwagi, Makoto Asakura, Masatoshi Sakurai | 2014-09-23 |
| 8643970 | Magnetic recording apparatus and recording method of magnetic recording apparatus | Naoki Tagami, Kazuto Kashiwagi, Akihiro Itakura, Masatoshi Sakurai | 2014-02-04 |
| 7430086 | Discrete track recording method, storage apparatus and method of producing storage apparatus | — | 2008-09-30 |
| 6741528 | Magneto-optical head device | — | 2004-05-25 |
| 6507543 | Optical disk apparatus and galvano-mirror used for the same | Tohru Fujimaki | 2003-01-14 |
| 6341102 | Data writing/reading apparatus | Tadashi Sato, Goro Kawasaki, Satoshi Shimokawa | 2002-01-22 |
| 6320832 | Laser power control in information recording device | Yoshihiro Nakao | 2001-11-20 |
| 6272079 | Optical head unit for optical disk apparatus having both focus control and track control function | Nobuyuki Kanto, Koichi Tezuka, Satoshi Shimokawa, Shingo Hamaguchi, Akihiko Makita +3 more | 2001-08-07 |
| 6103407 | Magneto-optical recording medium and method of using same | Masakazu Taguchi, Tomonori Ikeya, Tsutomu Tanaka, Toshio Sugimoto, Ken Tamanoi | 2000-08-15 |
| 6072754 | Magneto-optical medium and reproducing device for the same | — | 2000-06-06 |
| 6030716 | Magneto-optical recording medium and method of reproducing information recorded on such medium | Ken Tamanoi, Masaharu Moritsugu, Miyozo Maeda, Toshio Sugimoto, Koji Matsumoto +1 more | 2000-02-29 |
| 6026064 | Head driving apparatus and optical disk apparatus | Tadashi Sato, Takayuki Kawabe | 2000-02-15 |
| 5986987 | PRML readout system for optical disk | Masakazu Taguchi | 1999-11-16 |
| 5981016 | Magneto-optical medium and reproducing device for the same | — | 1999-11-09 |
| 5876858 | Magneto-optical recording medium with magnetic film having large magnetic anisotropy | Tomonori Ikeya, Tsutomu Tanaka | 1999-03-02 |
| 5871855 | Magneto-optical recording medium and method of using same | Masakazu Taguchi, Tomonori Ikeya, Tsutomu Tanaka, Toshio Sugimoto, Ken Tamanoi | 1999-02-16 |
| 5859813 | Magneto-optical recording method and apparatus to be used in the method | Akihiro Itakura | 1999-01-12 |
| 5854775 | Magneto-optic disk recording system having improved duty ratio controller | Masaharu Moritsugu, Masakazu Taguchi | 1998-12-29 |
| 5850377 | Data readout system for optical disk having maximum likehood data detecting circuit | Masakazu Taguchi | 1998-12-15 |
| 5812501 | Optical recording medium having a non-volatile identification code and method for encoding data using same | Mineo Moribe, Masakazu Taguchi, Iwao Tsugawa | 1998-09-22 |
| 5745464 | Edge position data reproduction apparatus | Masakazu Taguchi | 1998-04-28 |
| 5740154 | Magnetooptical record medium having adjacent header signals | Masakazu Taguchi, Michio Matsuura, Yoshihide Fujita, Akihiro Itakura | 1998-04-14 |
| 5691072 | Magneto-optical recording medium and method of reproducing information recorded on such medium | Ken Tamanoi, Masaharu Moritsugu, Miyozo Maeda, Toshio Sugimoto, Koji Matsumoto +1 more | 1997-11-25 |
| 5680380 | Data readout system for optical disk having maximum likelihood data detecting circuit | Masakazu Taguchi | 1997-10-21 |
| 5675565 | Data reproduction method and apparatus | Masakazu Taguchi | 1997-10-07 |