RK

Ryosuke Koishi

Fujitsu Limited: 21 patents #1,322 of 24,456Top 6%
Overall (All Time): #211,515 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
7133258 Flying head slider capable of avoiding collision when loaded 2006-11-07
7095591 Head slider having microactuator Takahiro Imamura, Yukihiro Uematsu, Hitoshi Kanai, Shinji Koganezawa, Takeaki Shimanouchi 2006-08-22
7027265 Flying head slider capable of avoiding collision when loaded having an air clogging dished space 2006-04-11
6999283 Flying head slider capable of avoiding collision when loaded 2006-02-14
6992861 Head suspension for swing arm actuator Atsushi Suzuki, Daisuke Mizutani, Ren Ishikawa, Masashi Takada, Yasuhiro Yoneda 2006-01-31
6940694 Magnetic head assembly having thin-film dummy patterns provided on surface of gimbal spring Takeshi Ohwe, Toru Watanabe, Seizi Yoneoka 2005-09-06
6801398 Magnetic head suspension assembly with adhesion limiting structure Takeshi Ohwe, Toru Watanabe, Seizi Yoneoka 2004-10-05
6754043 Head slider Yoshiharu Kasamatsu, Takayuki Yamamoto 2004-06-22
6728070 Flying head slider capable of avoiding collision when loaded 2004-04-27
6683755 Negative pressure type head slider and disk drive employing same 2004-01-27
6583962 Head slider supporting device, disk device and suspension having thermal protection for head IC chip Takeshi Ohwe, Toru Watanabe 2003-06-24
6501622 Head slider capable of improving shock resistance of recording disk drive 2002-12-31
6437944 Head slider supporting device, disk device and suspension Takeshi Ohwe, Toru Watanabe 2002-08-20
6424494 Flying head slider having rail narrowed near trailing end 2002-07-23
6396664 Negative pressure air bearing slider Yoshifumi Mizoshita 2002-05-28
6349018 Negative pressure air bearing slider Yoshifumi Mizoshita 2002-02-19
6243233 Magnetic head slider and magnetic disk apparatus having the magnetic head slider Takayuki Yamamoto, Yoshiharu Kasamatsu, Takashi Toyoguchi, Toru Yokohata 2001-06-05
6157518 Head slider having a trapezoidal shape Seiji Yoneoka 2000-12-05
6040958 Magnetic head slider and magnetic disk apparatus having the magnetic head slider Takayuki Yamamoto, Yoshiharu Kasamatsu, Takashi Toyoguchi, Toru Yokohata 2000-03-21
5894379 Magnetic head slider with rail leading portions increasing in thickness over rail portions which widen and narrow Seiji Yoneoka 1999-04-13
5726830 Air-bearing electromagnetic head slider having negative pressure generating means Seiji Yoneoka, Yoshifumi Mizoshita 1998-03-10