MO

Masuo Oku

HI Hitachi: 32 patents #817 of 28,497Top 3%
MA Maxell: 17 patents #32 of 437Top 8%
HA Hitachi America: 6 patents #13 of 97Top 15%
HC Hitachi Ulsi Systems Co.: 6 patents #125 of 867Top 15%
HS Hitachi Industry & Control Solutions: 1 patents #26 of 84Top 35%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
Overall (All Time): #50,010 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #TitleCo-InventorsDate
4630252 Control apparatus for optical disc player for locating blank tracks Yoshio Miura, Tooru Fujishima, Yoshimichi Kudo, Chiharu Takayama, Tooru Kawashima 1986-12-16
4541084 Focus servo system having object lens protection circuit for an optical disc player Masami Yamashita, Yoshio Miura, Motoyuki Suzuki 1985-09-10