Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12361969 | Magnetic disk apparatus and method | Hidetoshi Tsuneda | 2025-07-15 |
| 12291780 | Tray and substrate fixing device | Norio Shiraiwa | 2025-05-06 |
| 11899968 | Magnetic disk apparatus and method | Masahisa Miyake | 2024-02-13 |
| 11875824 | Magnetic disk device | Yosuke Kondo, Kana Furuhashi, Eric R. DUNN | 2024-01-16 |
| 11862501 | Electrostatic chuck and substrate fixing device | Norio Shiraiwa | 2024-01-02 |
| 11817133 | Magnetic disk device stored trace data of the read/write processing | Kimiyasu Aida | 2023-11-14 |
| 11024336 | Magnetic disk device and memory management method of magnetic disk device | Naota Muguruma, Kenji Yoshida | 2021-06-01 |
| 10839840 | Magnetic disk device having multiple independent moving actuators | Jun Ichishima | 2020-11-17 |
| 10102869 | Magnetic disk device and read method | Kenji Yoshida | 2018-10-16 |
| 10026634 | Electrostatic chuck and base member for use in the same | — | 2018-07-17 |
| 9576605 | Magnetic disk apparatus and method for accessing data sector | Takashi Matsuo, Kenji Yoshida, Yosuke Kondo | 2017-02-21 |
| 9299387 | Magnetic disk apparatus, controller and data processing method | Kenji Yoshida | 2016-03-29 |
| 9297093 | Layered body having a single crystal layer | Toru Kinoshita | 2016-03-29 |
| 8926752 | Method of producing a group III nitride crystal | Akinori Koukitu, Yoshinao Kumagai, Toru Nagashima, Hiroyuki Yanagi | 2015-01-06 |
| 8704239 | Production method of a layered body | Toru Kinoshita | 2014-04-22 |
| 8638520 | Magnetic recording apparatus and data reading method | Kenji Yoshida | 2014-01-28 |
| 8589725 | Disk storage apparatus and method for recovering data | Kenji Yoshida | 2013-11-19 |
| 8238391 | P-type group III nitride semiconductor and group III nitride semiconductor element | Toru Kinoshita, Hiroyuki Yanagi | 2012-08-07 |
| 8137825 | Aluminum nitride single crystal film, aluminum nitride single crystal multi-layer substrate and manufacturing processes thereof | Hiroyuki Fukuyama, Akira Hakomori | 2012-03-20 |
| 8129208 | n-Type conductive aluminum nitride semiconductor crystal and manufacturing method thereof | Akinori Koukitu, Yoshinao Kumagai, Toru Nagashima, Hiroyuki Yanagi | 2012-03-06 |
| 7947577 | Method and apparatus for producing group III nitride | Toru Nagashima, Hiroyuki Yanagi, Manabu Harada, Yasunori Hirata, Keisuke Kondo | 2011-05-24 |
| 7528462 | Aluminum nitride single-crystal multi-layered substrate | Hiroyuki Fukuyama, Shinya Kusunoki, Katsuhito Nakamura, Akira Hakomori | 2009-05-05 |
| 7338555 | Highly crystalline aluminum nitride multi-layered substrate and production process thereof | Hiroyuki Fukuyama, Wataru Nakao, Shinya Kusunoki, Akira Hakomori | 2008-03-04 |
| 4642298 | Composite nitride sintered body | Nobuyuki Kuramoto, Yoshihiko Numata | 1987-02-10 |
| 4526772 | Basic aluminum sulfate and process for production thereof | Shigeyuki Toyama, Yoshihiko Numata | 1985-07-02 |