MO

Masahiko Ogawa

Canon: 54 patents #619 of 19,416Top 4%
SC Shin-Etsu Chemical Co.: 24 patents #185 of 2,176Top 9%
KA Kao: 14 patents #110 of 3,221Top 4%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
MS Meiki Seisakusho: 2 patents #10 of 62Top 20%
NC Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
MC Meiki Co.: 1 patents #2 of 6Top 35%
DI Dic: 1 patents #467 of 844Top 60%
OM Omron: 1 patents #1,808 of 3,089Top 60%
Overall (All Time): #12,463 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 101–108 of 108 patents

Patent #TitleCo-InventorsDate
4494848 Distance measuring device 1985-01-22
4455070 Compensating circuit for an infrared-ray signal detection device in an auto focus camera 1984-06-19
4429967 Distance measuring system Ryuji Tokuda, Tokuichi Tsunekawa, Shuichi Tamura 1984-02-07
4425031 Automatic focus adjusting apparatus for camera Shuichi Tamura, Tokuichi Tsunekawa, Ryuji Tokuda 1984-01-10
4350418 Camera provided with automatic focus adjusting device Tetsuya Taguchi, Shuichi Tamura, Ryuji Tokuda 1982-09-21
4315159 Optical sensor device with reduction of ambient light effects Yukichi Niwa, Mitsutoshi Owada, Noriyuki Asano, Shuichi Tamura 1982-02-09
4291223 Distance detecting device Toshio Sakane, Tetsuya Taguchi, Shuichi Tamura, Tokuichi Tsunekawa 1981-09-22
4274735 Distance measuring device Shuichi Tamura, Yukichi Niwa, Mitsutoshi Owada, Noriyuki Asano 1981-06-23