SH

Seiji Hamaie

HS Hitachi-Lg Data Storage: 16 patents #7 of 294Top 3%
HC Hitachi Consumer Electronics Co.: 5 patents #43 of 447Top 10%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
📍 Hitachinaka, JP: #248 of 2,447 inventorsTop 15%
Overall (All Time): #240,098 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8752077 Optical disc apparatus Koji Matsumoto, Hideyuki Nagamine 2014-06-10
8640151 Optical disk apparatus Koji Matsumoto, Hideyuki Nagamine 2014-01-28
8589960 Optical disc drive Yoshiaki Yamauchi, Ikuo Nishida, Koji Matsumoto, Hideyuki Nagamine 2013-11-19
8499315 Grounding structure for optical disc drive Yoshiaki Yamauchi, Ikuo Nishida, Koji Matsumoto 2013-07-30
8495668 Spindle motor attachment structure for a disc drive apparatus Yoshiaki Yamauchi, Takayuki Fujimoto, Shinya Tsubota, Makoto Ibe, Nozomu Harada +1 more 2013-07-23
8464282 Optical disc apparatus with mechanical chassis having a recess Takayuki Fujimoto, Makoto Ibe, Nozomu Harada, Shinya Asano, Yoshiaki Yamauchi 2013-06-11
8424029 Optical disc device Koji Matsumoto 2013-04-16
8375403 Optical disc device Koji Matsumoto 2013-02-12
8359607 Optical disc drive Yoshiaki Yamauchi, Hideyuki Nagamine, Ikuo Nishida, Tatsuya Yamasaki 2013-01-22
8332879 Optical disk drive Koji Matsumoto, Yosuke Ishizuka 2012-12-11
8245248 Optical disk apparatus having guide shaft adjusting mechanism Nozomu Harada, Shinya Asano 2012-08-14
8234666 Optical disc apparatus Nozomu Harada, Shinya Asano, Hisahiro Miki 2012-07-31
8132192 Optical disk apparatus Nozomu Harada, Shinya Asano 2012-03-06
8104050 Optical disk apparatus having brake pad located near to front end of chassis block Nozomu Harada, Shinya Asano 2012-01-24
7610593 Thin structured slot-in type optical disk apparatus Hideyuki Onuma, Sojiro Kirihara 2009-10-27
7526779 Optical disk apparatus Sojiro Kirihara, Hideyuki Onuma 2009-04-28
7380253 Disk drive apparatus Yoshiaki Yamauchi, Seiichi Katou, Shinya Tsubota, Yoshihiro Fukagawa, Makoto Ibe +1 more 2008-05-27
6590849 Disk drive apparatus Yoshiaki Yamauchi, Hisahiro Miki, Tomoki Hirata, Shinsuke Takatsuka 2003-07-08
6496464 Disk drive apparatus Yoshiaki Yamauchi, Hisahiro Miki, Tomoki Hirata 2002-12-17