Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7709981 | Stator, motor and record medium drive apparatus and method of fabricating stator | Masahiro Nakajima, Akiko Ishikura, Norio Chiba | 2010-05-04 |
| 6384503 | Motor | Tadao Iwaki, Atsushi Ohta, Koji Nitadori | 2002-05-07 |
| 6371649 | Method for lubricating a fluid dynamic pressure bearing | Tadao Iwaki, Atsushi Ota, Koji Nitadori, Toshiharu Kogure, 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 |
| 6354742 | Hydraulic dynamic bearing and spindle motor | Tadao Iwaki, Shigeru Ohki, Atsushi Ohta, Koji Nitadori, Isamu Takehara +2 more | 2002-03-12 |
| 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 |
| 6252322 | Spindle motor | Tadao Iwaki, Takahumi Suzuki, Hiromitsu Goto | 2001-06-26 |
| 6247848 | Hydraulic dynamic bearing and spindle motor utilizing hydraulic dynamic bearing | Tadao Iwaki, Shigeru Ohki, Atsushi Ohta, Koji Nitadori, Isamu Takehara +2 more | 2001-06-19 |
| 6246139 | Spindle motor and method of formation | Tadao Iwaki, Hiromitsu Goto, Takafumi Suzuki, Mitsuharu Iwamoto | 2001-06-12 |
| 6176618 | Dynamic pressure bearing, spindle motor using dynamic pressure bearing, and rotary device having the spindle motor as driving source | Isamu Takehara | 2001-01-23 |
| 6116708 | Recording systems and recording units employed in the recording systems | Satoshi Oohama, Tadao Iwaki, Tatsuru Sato, Kouji Kawaguchi, Seiji Kuwabara +1 more | 2000-09-12 |
| 6040648 | Spindle motor and rotator device | Hiroaki Namiki, Isamu Takehara, Tadao Iwaki, Takashi Ishida, Shinichi Hayashizaki +2 more | 2000-03-21 |
| 5793402 | Thermal transfer recording method and apparatus of both sublimation type and fusion type | Akihiro Sadaki, Masayoshi Shiraishi, Koji Kawaguchi | 1998-08-11 |
| 5467120 | Thermal transfer recording method and apparatus of both sublimation type and fusion type | Akihiro Sadaki, Masayoshi Shiraishi, Koji Kawaguchi | 1995-11-14 |
| 5078463 | Laser beam scanning device | — | 1992-01-07 |
| 4884859 | Optical attenuator and manufacturing method for making same | Hiroyoshi Yamamoto, Toshiharu Takesue | 1989-12-05 |