Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350704 | Laser processing method and laser processing apparatus | Kyosuke Suzuki, Satoshi Fukushima | 2019-07-16 |
| 8717714 | Magnetic head positioning and driving device including heaters and diodes | — | 2014-05-06 |
| 7612479 | Scanner for equalizing torque constant and reducing torque constant variation | Akira Doi, Atsushi Sakamoto, Souichi Toyama, Yaichi Okubo | 2009-11-03 |
| 7432681 | Scanner system | Souichi Toyama, Atsushi Sakamoto, Kenta Seki, Yaichi Okubo | 2008-10-07 |
| 7270270 | Optical scanner control method, optical scanner and laser machining apparatus | Souichi Toyama, Kenta Seki, Yaichi Okubo, Daisuke Kitamura | 2007-09-18 |
| 7023598 | Optical scanner and laser machining apparatus | Souichi Toyama, Atsushi Sakamoto, Yaichi Okubo | 2006-04-04 |
| 5402400 | Method and apparatus for eliminating external disturbances in a disk drive device | Yosuke Hamada, Yuji Hata, Shigeyoshi Saito | 1995-03-28 |
| 5229896 | Disk drive and method of controlling the same | Souichi Tohyama, Hiromu Hirai, Yoosuke Hamada | 1993-07-20 |
| 5189578 | Disk system with sub-actuators for fine head displacement | Kenji Mori, Hiromu Hirai, Tsuyoshi Takahashi, Jun Naruse, Yuji Nishimura +1 more | 1993-02-23 |
| 4430606 | Sheet feeding apparatus | Hiromu Hirai, Masataka Kawauchi | 1984-02-07 |
| 4418305 | Velocity feedback circuit | Hiromu Hirai | 1983-11-29 |