HH

Hiromu Hirai

HI Hitachi: 18 patents #2,067 of 28,497Top 8%
HM Hitachi Via Mechanics: 3 patents #15 of 109Top 15%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
VM Via Mechanics: 1 patents #11 of 34Top 35%
📍 Ibaraki, JP: #328 of 6,779 inventorsTop 5%
Overall (All Time): #185,548 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8872064 Positioning control system for moving element and laser drilling machine Takashi Ono, Souichi Toyama, Yaichi Okubo 2014-10-28
8452424 Moving object feed-forward control method Noriaki Hirose, Kenta Seki 2013-05-28
7768225 Servo control system for movable body, and laser drilling machine Souichi Toyama, Yaichi Okubo, Makoto Iwasaki, Motohiro Kawafuku, Noriaki Hirose 2010-08-03
7629714 Rocking actuator and laser machining apparatus Souichi Toyama, Kounosuke Kitamura, Akira Doi, Kenta Seki, Yoshiaki Kano 2009-12-08
6703603 Controller for optical scanner Souichi Tohyama, Kichio Nakajima, Atsushi Sakamoto, Yaichi Okubo, Masahiro Oishi 2004-03-09
6181524 Magnetic disk apparatus with slider and slider supporting mechanism including flexible section integrally formed from same material Mikio Tokuyama, Kenji Mori, Hidekazu Kohira, Toshihiko Simizu, Takao Terayama 2001-01-30
5666334 Storage device capable of using both optical and magnetic disk units for storing information data Mikio Tokuyama, Yoshinori Takeuchi, Susumu Ebihara, Kenji Mori, Sadanori Nagaike +1 more 1997-09-09
5486965 Rotary information recording/reproducing apparatus carriage actuator arrangement Takeshi Yoshida, Hideaki Amano, Takashi Kohno, Kenji Mori, Takashi Yoshida 1996-01-23
5404255 Disk apparatus and its control method Masahito Kobayashi, Takashi Yamaguchi, Hideaki Amano, Katsuhiro Tsuneta 1995-04-04
5301078 Magnetic disk unit and manufacturing method of carriage structure thereof Toshiaki Makino, Marutomo Goto, Hideyuki Kimura, Takashi Yamaguchi, Takashi Kono +8 more 1994-04-05
5229896 Disk drive and method of controlling the same Souichi Tohyama, Haruaki Otsuki, Yoosuke Hamada 1993-07-20
5189578 Disk system with sub-actuators for fine head displacement Kenji Mori, Haruaki Otsuki, Tsuyoshi Takahashi, Jun Naruse, Yuji Nishimura +1 more 1993-02-23
5164931 Method and apparatus for control of positioning Takashi Yamaguchi, Souichi Tohyama 1992-11-17
5073912 Sample moving apparatus, sample moving system and semiconductor manufacturing apparatus Isao Kobayashi, Yosuke Hamada, Kenji Mori 1991-12-17
4997177 Method of and apparatus for conveying object by utilizing vibration Kenji Mori, Isao Kobayashi, Tomoko Kumagae, Muneo Kawamoto 1991-03-05
4956789 Method and apparatus for driving a servo system while suppressing residual vibration generated during position control Yoosuke Hamada, Isao Kobayashi 1990-09-11
4667139 Table device Takashi Yamaguchi, Fuyuto Takase, Tomomasa Yoshida 1987-05-19
4587469 Electric servo system Yo Ikebe 1986-05-06
4525654 Tape transport control unit Fujio Tajima 1985-06-25
4430606 Sheet feeding apparatus Haruaki Otsuki, Masataka Kawauchi 1984-02-07
4418305 Velocity feedback circuit Haruaki Otsuki 1983-11-29
4297888 Stability control system for vibration test device Shin-ichi Hamano 1981-11-03
4280083 Apparatus for limiting acceleration in a servosystem Shin-ichi Hamano 1981-07-21