YH

Yuji Hata

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HG HGST: 1 patents #253 of 483Top 55%
Overall (All Time): #651,618 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8369040 Storage control device and rotation speed control method for storage device Yukiyoshi Takamura, Tomohisa Ogasawara 2013-02-05
6940684 Disk device and seek control method Masaki Yoshioka, Kenichi Masuda, Takeshi Nakazawa, Takayuki Umemoto 2005-09-06
6909575 Magnetic disk drive and control method thereof Yoshio Soyama, Katsumoto Onoyama 2005-06-21
6744591 Positioning control method Shinsuke Nakagawa, Hiromoto Takeda, Kiyotada Ito, Takashi Yamaguchi 2004-06-01
6153997 Disk apparatus and method of controlling disk apparatus Masahito Kobayashi, Iwao Oshimi, Yoshio Soyama, Akio Shioya 2000-11-28
5606470 Method and apparatus for controlling magnetoresistive effect element head Akio Shioya 1997-02-25
5402400 Method and apparatus for eliminating external disturbances in a disk drive device Yosuke Hamada, Haruaki Otsuki, Shigeyoshi Saito 1995-03-28
5241435 Servo information recording method for a storage apparatus Shigeyoshi Saito, Takuji Ogawa, Jyousei Shimizu, Tsuyoshi Takahashi, Masahiko Sega +1 more 1993-08-31