Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819522 | Positioning control apparatus | Takenori Atsumi, Shinsuke Nakagawa | 2004-11-16 |
| 6781783 | Magnetic disk apparatus | Yasuo Amano, Shigeo Nakamura, Osamu Narisawa, Mikio Tokuyama, Hiroyasu Sasaki +1 more | 2004-08-24 |
| 6777968 | Probing method and probing apparatus in which steady load is applied to main chuck | Kazunari Ishii | 2004-08-17 |
| 6724563 | Two-stage actuator with sensitivity function preventing disturbances at all frequencies | Masaki Odai | 2004-04-20 |
| 6707633 | Magnetic disk device including coarse and micro actuators | Atsushi Okuyama, Masaki Odai, Hidehiko Numasato, Shigeo Nakamura | 2004-03-16 |
| 6624982 | Magnetic disk recording apparatus | Hiromitsu Masuda, Toshihiko Shimizu, Mikio Tokuyama, Masaki Odai | 2003-09-23 |
| 6483659 | Disk drives | Takashi Yamaguchi, Kenichi Iimura, Irizo Naniwa | 2002-11-19 |
| 6407876 | Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head | Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Yoshikatsu Fujii +2 more | 2002-06-18 |
| 6335845 | Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic head | Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Yoshikatsu Fujii +2 more | 2002-01-01 |
| 6297656 | Probe-test method and prober | Kazunari Ishii | 2001-10-02 |
| 6153997 | Disk apparatus and method of controlling disk apparatus | Iwao Oshimi, Yoshio Soyama, Akio Shioya, Yuji Hata | 2000-11-28 |
| 5986845 | Apparatus for positioning magnetic head and method of the same | Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Yoshikatsu Fujii +2 more | 1999-11-16 |
| 5936792 | Positioning adaptive control method and positioning device as well as information storage device | Takashi Yoshida, Takashi Yamaguchi | 1999-08-10 |
| 5528427 | Zoom lens | Tsunefumi Tanaka, Hideki Ogawa | 1996-06-18 |
| 5404255 | Disk apparatus and its control method | Takashi Yamaguchi, Hiromu Hirai, Hideaki Amano, Katsuhiro Tsuneta | 1995-04-04 |
| 4620292 | Arithmetic logic unit for floating point data and/or fixed point data | Yoshimune Hagiwara, Shizuo Sugiyama, Narimichi Maeda, Osamu Yumoto, Takashi Akazawa +2 more | 1986-10-28 |
| 4592006 | Adder for floating point data suitable for digital signal processing | Yoshimune Hagiwara, Shizuo Sugiyama, Narimichi Maeda, Osamu Yumoto, Takashi Akazawa +2 more | 1986-05-27 |
| 4588488 | Method of removing oxide on metal surface | Osao Sumita, Masayuki Saito, Hisao Itou, Yasumasa Furutani | 1986-05-13 |
| 4534010 | Floating point type multiplier circuit with compensation for over-flow and under-flow in multiplication of numbers in two's compliment representation | Narimichi Maeda, Yoshimune Hagiwara, Takashi Akazawa, Shizuo Sugiyama | 1985-08-06 |
| 4511990 | Digital processor with floating point multiplier and adder suitable for digital signal processing | Yoshimune Hagiwara, Shizuo Sugiyama, Narimichi Maeda, Osamu Yumoto, Takashi Akazawa +2 more | 1985-04-16 |