Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172250 | Automatic screw tightening method and automatic screw tightening apparatus | Takashi Shirase, Hiroyasu Kawase | 2024-12-24 |
| 10840882 | Crystal unit and manufacturing method thereof | Koji Toshikawa, Hirokazu Iwata, Tetsuya Watanabe, Kazuhiro Hirota, Yoshiro TESHIMA | 2020-11-17 |
| 10819307 | Crystal unit and manufacturing method thereof | Yoshiharu Sato, Tetsuya Watanabe, Hirokazu Iwata | 2020-10-27 |
| 10771038 | Crystal unit | Koji Toshikawa, Hirokazu Iwata | 2020-09-08 |
| 8541928 | Quartz-crystal devices exhibiting reduced crystal impedance | Kenji Shimao, Takehiro Takahashi, Hiroyuki Sasaki, Manabu Ishikawa | 2013-09-24 |
| 6771460 | Spindle motor and magnetic disc device using thereof having radial and thrust bearings | Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more | 2004-08-03 |
| 6680814 | Spindle motor and magnetic disc device with hydrodynamic bearings | Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more | 2004-01-20 |
| 6510122 | Disk drive device | Yoshiaki Yamauchi, Hisahiro Miki, Shigeki Mori, Takashi Kouno, Yoshihiro Sato +1 more | 2003-01-21 |
| 6469866 | Spindle motor and magnetic disc device with hydrodynamic bearing | Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more | 2002-10-22 |
| 6462910 | Magnetic disk apparatus | Toshihiko Shimizu, Tetsuya Hamaguchi, Keiko Watanabe, Toshihiro Arisaka, Kenji Mori | 2002-10-08 |
| 6459668 | Disk type reproducing apparatus and revolution control method | Yoshihiro Satou, Yoshiaki Yamauchi, Hiroyuki Tanaka, Tomoki Hirata, Takashi Ishikawa +2 more | 2002-10-01 |
| 6373659 | Magnetic slider head and method of producing the same | Tetsuya Hamaguchi, Keiko Watanabe, Toshihiko Shimizu, Toshihiro Arisaka | 2002-04-16 |
| 6256288 | Disk apparatus and motor therefor | Yoshiaki Yamauchi, Takashi Kouno, Katsutoshi Nii, Noriyuki Kumasaka, Ikuo Nishida +1 more | 2001-07-03 |
| 6198715 | Disc device having disc in balance correcting arrangements | Takashi Kouno, Yoshihiro Sato, Yoshiaki Yamauchi, Shozo Saegusa, Shigeki Mori +2 more | 2001-03-06 |
| 6122148 | Magnetic head slider and method of production thereof | Tetsuya Hamaguchi, Keiko Watanabe, Toshihiko Shimizu, Toshihiro Arisaka | 2000-09-19 |
| 6115213 | Bearing assembly having compact thickness, spindle motor and actuator using the same bearing assembly, and magnetic disk drive | Hiroshi Ikeda, Masahiko Sega | 2000-09-05 |
| 6052255 | Magnetic disk unit having anti-impact arrangement | Yoshiko Kawabe, Yasuhiro Matsuda, Hiroshi Ikeda, Isao Shimizu, Tsuyoshi Takahashi | 2000-04-18 |
| 6038104 | Rotating disk type information storage apparatus having a movable member integrated with a support member | Kazutaka Sato, Takeshi Harada, Shozo Saegusa, Toshihiro Arisaka | 2000-03-14 |
| 5999369 | Magnetic disk apparatus | Toshihiko Shimizu, Tetsuya Hamaguchi, Keiko Watanabe, Toshihiro Arisaka, Kenji Mori | 1999-12-07 |
| 5685968 | Ceramic substrate with thin-film capacitor and method of producing the same | Toshitaka Hayakawa, Toshikatsu Takada | 1997-11-11 |
| 5615068 | Head locating actuator having reduced susceptibility to dynamic reaction force effects, and a disk apparatus incorporating the same | Yasuhiro Matsuda, Shozo Saegusa, Takashi Yoshida, Marutomo Goto, Toshio Matsushita | 1997-03-25 |
| 5245489 | Guide arm with a fixed printed circuit board for magnetic disk drive | Hideyuki Kimura, Takuji Torii, Tsuyoshi Takahashi, Hiroshi Nishida, Kenji Mori +3 more | 1993-09-14 |
| 5140482 | Guide arm with affixed printed circuit board for magnetic disk drive | Hideyuki Kimura, Takuji Torii, Tsuyoshi Takahashi, Hiroshi Nishida, Kenji Mori +3 more | 1992-08-18 |
| 4870258 | Page turning apparatus | Akira Mochizuki, Masataka Kawauchi, Kenichiro Takezawa, Jyunichi Matsuno, Kihachiro Tanaka | 1989-09-26 |
| 4752849 | Carriage support structure | Kihachiro Tanaka, Taro Sonoda | 1988-06-21 |