Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7400872 | Radio receiver for selecting appropriate diversity antennas by comparing correlation values and a method for the same | — | 2008-07-15 |
| 6371649 | Method for lubricating a fluid dynamic pressure bearing | Naoki Kawawada, Tadao Iwaki, Atsushi Ota, Koji Nitadori, Hiromitsu Goto +4 more | 2002-04-16 |
| 6371650 | Hydraulic dynamic bearing and spindle motor and rotary assembly provided | Hiromitsu Goto, Isamu Takehara, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki +4 more | 2002-04-16 |
| 6307291 | Hydraulic dynamic bearing and spindle motor and rotary assembly provided | Tadao Iwaki, Isamu Takehara, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki +4 more | 2001-10-23 |
| 6175547 | Positive and negative rotation gas dynamic pressure bearing, spindle motor having dynamic pressure bearing, and rotator device having spindle motor as driving source | — | 2001-01-16 |
| 5971836 | Grinding machine | Katsura Tomotaki, Yoshikazu Kojima, Jun Osanai | 1999-10-26 |
| 5760510 | Magnetic bearing device | Shinichi Nomura | 1998-06-02 |
| 5498198 | Grinding machine | — | 1996-03-12 |
| 5454921 | Electrolytic combined processing machine | Katsura Tomotaki, Shinichi Nomura | 1995-10-03 |
| 5191811 | Damper device for a motor | — | 1993-03-09 |
| 5166920 | Disk clamp apparatus | — | 1992-11-24 |
| 5081882 | Damper device for a motor | — | 1992-01-21 |
| 5032932 | Hard disk testing method | Ryuichi Matsuzaki, Yoshitake UESHIMA | 1991-07-16 |
| 4868805 | Inspection apparatus | Osamu Hanami, Shinichi Nomura | 1989-09-19 |
| 4658944 | Disc clutch mechanism for a magnetic disc apparatus of cartridge type | Noriaki Masubuchi | 1987-04-21 |
| 4505074 | Grinding machine control system for intermittently measuring workpiece size | — | 1985-03-19 |
| 4382638 | Sealing structure of spindle device | Shigenori Andoh | 1983-05-10 |