Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924659 | Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device | — | 2011-04-12 |
| 7894309 | Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device | — | 2011-02-22 |
| 7663981 | Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device | — | 2010-02-16 |
| 7544922 | Near-field light-emitting element and optical head | Masayuki Naya, Yuichi Tomaru | 2009-06-09 |
| 7492673 | Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device | — | 2009-02-17 |
| 7099096 | Heat-assisted magnetic recording head and heat-assisted magnetic recording apparatus | — | 2006-08-29 |
| 6992968 | Optical head and disk unit | — | 2006-01-31 |
| 6943988 | Magnetic head having a magnetic recording element including a pair of connected yoke films and magnetic pole film to form a magnetic gap | — | 2005-09-13 |
| 6940801 | Optical recording medium, optical recording and reproducing method and apparatus | Tsutomu Ishii, Katsunori Kawano, Kazuo Baba | 2005-09-06 |
| 6920091 | Optical reproduction apparatus and optical recording and reproduction apparatus | — | 2005-07-19 |
| 6876604 | Optically assisted magnetic recording device, optically assisted magnetic recording head and magnetic disk device | — | 2005-04-05 |
| 6771589 | Flying recording head having semiconductor laser formed by growing semiconductor crystal, and method of manufacturing same | Takashi Ozawa | 2004-08-03 |
| 6704250 | Near-field magneto-optical head having a magnetic sensor | — | 2004-03-09 |
| 6700856 | Optical head, magneto-optical head, disk apparatus and manufacturing method of optical head | — | 2004-03-02 |
| 6687196 | Method and apparatus for implementing high density recording on a recording medium and a method of manufacturing same | — | 2004-02-03 |
| 6614742 | Optical head, magneto-optical head, disk apparatus and manufacturing method of optical head | — | 2003-09-02 |
| 6597715 | Semiconductor laser, optical head, optical disk apparatus and semiconductor laser manufacturing method | — | 2003-07-22 |
| 6396776 | Recording/reproducing head, recording/reproducing disk drive, and method for fabricating magnetic sensor | — | 2002-05-28 |
| 6359852 | Optical head and optical disk apparatus | — | 2002-03-19 |
| 6320708 | Optical head, disk apparatus, method for manufacturing optical head, and optical element | Kazuo Baba | 2001-11-20 |
| 6275453 | Optical head and optical disk apparatus | Kazuo Baba | 2001-08-14 |
| 6154326 | Optical head, disk apparatus, method for manufacturing optical head, and optical element | Kazuo Baba | 2000-11-28 |
| 5960379 | Method of and apparatus for measuring shape | Keishi Shimizu, Hidenori Yamada | 1999-09-28 |
| 5514440 | Optical recording medium and optical recording method using the same | Hironori Gotoh | 1996-05-07 |
| 5491709 | Semiconductor laser device | Yasuji Seko, Hiromi Otoma, Nobuaki Ueki, Hideki Fukunaga, Hideo Nakayama +1 more | 1996-02-13 |