SK

Sojiro Kirihara

HS Hitachi-Lg Data Storage: 11 patents #15 of 294Top 6%
HC Hitachi Consumer Electronics Co.: 2 patents #119 of 447Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #465,231 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8893162 Optical disc drive Yoshiaki Yamauchi, Tatsuya Yamasaki, Nozomu Harada, Ikuo Nishida 2014-11-18
8296788 Optical disc apparatus Hiroshi Yamagishi, Yousuke Ishizuka 2012-10-23
8250591 Tray of optical disk device and optical disk device including the same Hiroshi Yamagishi, Koji Matsumoto 2012-08-21
8136128 Optical disc apparatus Mitsutaka Shizuya, Shinya Tsubota, Hiroshi Yamagishi 2012-03-13
8074237 Optical disk device including buffer mechanism for buffering elastic deformation of the optical pickup side of a disk motor plate Yoshiaki Yamauchi 2011-12-06
7827571 Disk drive device having air stream restrictive device Yoshiaki Yamauchi, Hideyuki Onuma, Kuniyuki Kimura, Shinya Tsubota 2010-11-02
7644419 Optical disc apparatus Mitsutaka Shizuya, Shinya Tsubota, Yoshiyuki Tanaka 2010-01-05
7610593 Thin structured slot-in type optical disk apparatus Hideyuki Onuma, Seiji Hamaie 2009-10-27
7526779 Optical disk apparatus Seiji Hamaie, Hideyuki Onuma 2009-04-28
7434238 Optical disc apparatus Yoshiyuki Tanaka, Shinya Tsubota 2008-10-07
7421722 Optical disc apparatus Yoshiyuki Tanaka, Shinya Tsubota 2008-09-02