YY

Yoshiaki Yamauchi

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
HS Hitachi-Lg Data Storage: 18 patents #6 of 294Top 3%
NC Neubrex Co.: 10 patents #2 of 26Top 8%
HC Hitachi Consumer Electronics Co.: 7 patents #30 of 447Top 7%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
HS Hitachi Video And Information Systems: 1 patents #142 of 269Top 55%
RS Ricoh Printing Systems: 1 patents #97 of 200Top 50%
Overall (All Time): #56,559 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
7640558 Optical disc drive Nobuyuki Isoshima, Takayuki Fujimoto, Seiichi Katou, Ikuo Nishida, Youichi Narui 2009-12-29
7617506 Optical disc apparatus Nozomu Harada, Hideyuki Onuma 2009-11-10
7542856 Structure monitor system Kinzo Kishida, Motohiro Nakano 2009-06-02
7543310 Optical disk apparatus with openings for discharging air from therein Mitsukata Shizuya, Makoto Ibe, Hideyuki Onuma, Shinya Tsubota, Keiji Sasao +2 more 2009-06-02
7536700 Disc drive unit Keiji Sasao, Ikuo Nishida, Hisahiro Miki, Kouhei Takita 2009-05-19
7441766 Paper feeder with separation pad and vibration buffers Hiroyuki Seki, Shunichi Oohara, Takamitsu Ikematsu, Kazuo Kikuchi, Seiji Okunomiya 2008-10-28
7383557 Recording disk apparatus having regions of constrained thermal conduction Hiroyuki Toyoda, Shigeo Ohashi, Kazuhiro Oda, Makoto Ibe 2008-06-03
7380253 Disk drive apparatus Seiichi Katou, Shinya Tsubota, Yoshihiro Fukagawa, Makoto Ibe, Kuniyuki Kimura +1 more 2008-05-27
7356238 Optical fiber measuring module having base member holding optical fiber cable Kinzo Kishida, Kazuyoshi Itoh, Motohiro Nakano, Masayuki Matsumoto, Hiroyuki Toda +1 more 2008-04-08
7340754 Disk drive device Hideyuki Onuma, Makoto Ibe, Shinya Tsubota, Kuniyuki Kimura 2008-03-04
7090822 Cathode electroactive material, production method therefor and secondary cell Takao Noda, Akihiko Shirakawa, Joseph Gaze, Fumiyoshi Ono 2006-08-15
6890456 Cathode electroactive material, production method therefor and secondary cell Takao Noda, Akihiko Shirakawa, Joseph Gaze, Fumiyoshi Ono 2005-05-10
6871351 Disc driving apparatus Katsuhiko Kimura, Mitsuo Satake, Manabu Ochi, Seiichi Kato 2005-03-22
6699618 Cathode electroactive material, production method therefor and secondary cell Takao Noda, Akihiko Shirakawa, Joseph Gaze, Fumiyoshi Ono 2004-03-02
6590849 Disk drive apparatus Hisahiro Miki, Seiji Hamaie, Tomoki Hirata, Shinsuke Takatsuka 2003-07-08
6510122 Disk drive device Hisahiro Miki, Shigeki Mori, Shinobu Yoshida, Takashi Kouno, Yoshihiro Sato +1 more 2003-01-21
6496464 Disk drive apparatus Hisahiro Miki, Seiji Hamaie, Tomoki Hirata 2002-12-17
6477133 Disk drive with unbalance correcting mechanism Yasuhiro Yoshimura, Yoshishige Endo, Katsutoshi Nii, Yoshihiro Satou, Noriyuki Kumasaka +3 more 2002-11-05
6459668 Disk type reproducing apparatus and revolution control method Yoshihiro Satou, Shinobu Yoshida, Hiroyuki Tanaka, Tomoki Hirata, Takashi Ishikawa +2 more 2002-10-01
6256288 Disk apparatus and motor therefor Takashi Kouno, Shinobu Yoshida, Katsutoshi Nii, Noriyuki Kumasaka, Ikuo Nishida +1 more 2001-07-03
6198715 Disc device having disc in balance correcting arrangements Takashi Kouno, Yoshihiro Sato, Shozo Saegusa, Shigeki Mori, Shinobu Yoshida +2 more 2001-03-06
6128258 Tilt detection method and optical disk drive Katsuhiko Kimura, Seiichi Kato, Naruo Watanabe 2000-10-03
5621576 Optical head for optical memory disk recording device with elastic support in a direction parallel to a recording surface Shozo Saegusa, Atsushi Ichikawa, Akio Yabe, Akira Saito, Hiromitu Mori 1997-04-15
5412633 Optical disk apparatus with galvanomirror having movable reflecting surfaces cooperating with fixed reflecting surfaces Atsushi Ichikawa, Akira Saito 1995-05-02