KO

Kenji Ogasawara

SI Seiko Instruments: 48 patents #16 of 1,437Top 2%
IBM: 14 patents #8,004 of 70,183Top 15%
Sharp Kabushiki Kaisha: 10 patents #1,673 of 10,731Top 20%
HG HGST: 7 patents #263 of 1,677Top 20%
KM Konica Minolta: 5 patents #412 of 1,361Top 35%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
Overall (All Time): #18,400 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 76–89 of 89 patents

Patent #TitleCo-InventorsDate
6143369 Process of impregnating substrate and impregnated substrate Yoshihisa Sugawa, Yasuo Tohrin, Yoshinobu Marumoto, Joji Sakakibara, Ken-ichi Shinotani +3 more 2000-11-07
6108157 Head mechanism control apparatus, disk drive, and head unload control method Isao Yoneda, Hiroshi Uchiike, Shinji Ueno 2000-08-22
6091566 Magnetoresistive head and hard drive system having offsets from center of the servo area to minimize microjogging Takao Matsui 2000-07-18
5905603 Magnetic recording medium magnetic head positioning method, and magnetic recording apparatus Hiroshi Yanagisawa, Koji Kurachi 1999-05-18
5815332 Recording medium having improved servo compensation and method for same Hiroaki Suzuki, Masaharu Kawamura, Koji Kurachi 1998-09-29
5812338 Method and apparatus for indicating start of servo information on a recording medium Takashi Nakamura, Nobuya Matsubara, Yuzo Nakagawa, Yuji Kigami, Hiroshi Uchiike +1 more 1998-09-22
5754355 Disk drive apparatus and read error recovery method in a disk drive apparatus Takashi Nakamura, Isao Yoneda, Yuji Yokoe, Kazushi Tsuwako, Fujio Harako +2 more 1998-05-19
5705770 Thermoelectric module and method of controlling a thermoelectric module Keisuke Tsubata 1998-01-06
5696643 Disk drive apparatus and read error recovery method in a disk drive apparatus Kazushi Tsuwako, Fujio Harako, Katsumi Suda, Michio Nakajima, Isao Yoneda 1997-12-09
5687038 Servo method and device for controlling head position for a hard disk drive Takashi Sugawara, Kenichiroh Satoh 1997-11-11
5561566 Information recording disk and drive system using no sector ID to increase data storage capacity Yuji Kigami, Koji Kurachi, Takao Matsui, Takashi Nakamura, Tsutomu Numata +2 more 1996-10-01
5499220 Electronic timepiece 1996-03-12
5279895 Polyimide composition and prepreg and laminate thereof Keiko Kashihara, Shingo Yoshioka 1994-01-18
5117320 Magnetostrictive head with d.c. bias magnetic field Koji Kurachi, Atsushi Tobari 1992-05-26