YF

Yoshihiro Fukagawa

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HS Hitachi-Lg Data Storage: 4 patents #67 of 294Top 25%
HI Hitachi Video Engineering, Incorporated: 4 patents #1 of 181Top 1%
Overall (All Time): #571,948 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9230591 Optical disc library and storage apparatus including disc changer functionality Yasushi Kinoshita, Hiroshi Yamagishi 2016-01-05
7480925 Optical disc apparatus Nozomu Harada 2009-01-20
7380253 Disk drive apparatus Yoshiaki Yamauchi, Seiichi Katou, Shinya Tsubota, Makoto Ibe, Kuniyuki Kimura +1 more 2008-05-27
7319652 Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal Hajime Nishimura, Seiji Inaba 2008-01-15
6954414 Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal Hajime Nishimura, Seiji Inaba 2005-10-11
5321567 Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus Kiyoshi Kano, Tatsuya Shigemura, Yoshiyuki Tanaka 1994-06-14
5168399 Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus Kiyoshi Kano, Tatsuya Shigemura, Yoshiyuki Tanaka 1992-12-01
4985788 Recording and reproducing apparatus Kiyoshi Kano, Nobuyuki Kaku, Tatsuya Shigemura, Yoshiyuki Tanaka, Masaki Uesugi 1991-01-15
4899235 Magnetic tape loading mechanism and method Kiyoshi Kano, Nobuyuki Kaku, Atsuo Osawa, Shinya Fujimori 1990-02-06