HO

Hiroto Ohkawara

Canon: 24 patents #2,540 of 19,416Top 15%
📍 Ibaraki, JP: #303 of 6,779 inventorsTop 5%
Overall (All Time): #175,367 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7719605 Video camera apparatus including automatic focusing Masahide Hirasawa, Tatsuya Yamazaki 2010-05-18
7456898 Video camera apparatus including automatic focusing Masahide Hirasawa, Tatsuya Yamazaki 2008-11-25
7149421 Image pickup apparatus and power supply control method therefor 2006-12-12
7098954 Interchangeable lens video camera system Hirofumi Suda 2006-08-29
7006139 Image pickup apparatus with focusing lens control device 2006-02-28
6937285 Image pickup apparatus and power supply control method therefor 2005-08-30
6930720 Video camera system with interchangeable lens assembly 2005-08-16
6850280 Automatic focus adjusting device with distance measuring area selection based on discrimination of a state of focus Masahide Hirasawa, Tatsuya Yamazaki 2005-02-01
6778768 Image vibration prevention apparatus Toshimichi Kudo 2004-08-17
6744468 Lens control device for moving range correction Taeko Tanaka 2004-06-01
6731339 Lens control device with operator and signal control 2004-05-04
6683652 Interchangeable lens video camera system having improved focusing Hirofumi Suda 2004-01-27
6630950 Apparatus for improving image vibration suppression Toshimichi Kudo 2003-10-07
6577343 Image pickup apparatus with lens control apparatus and focusing lens control 2003-06-10
6445416 Image pickup apparatus having electronic zoom function based on optical zooming focal length variation with time Kenji Kyuma 2002-09-03
6396540 Video camera system with interchangeable lens assembly 2002-05-28
6373524 Interchangeable lens video camera system Hirofumi Suda 2002-04-16
6356307 Lens control device with AF restart feature Masahide Hirasawa, Taeko Tanaka 2002-03-12
6278842 Image shake correcting device Tatsuya Yamazaki 2001-08-21
6236431 Video camera apparatus with distance measurement area adjusted based on electronic magnification Masahide Hirasawa, Tatsuya Yamazaki 2001-05-22
6078751 Image-shake correcting device Tatsuya Yamazaki 2000-06-20
6028981 Image recording apparatus Masahide Hirasawa, Toshinobu Yamaguchi 2000-02-22
5933187 Video camera apparatus with automatic focus operation dependent on electronic zoom condition Masahide Hirasawa, Tatsuya Yamazaki 1999-08-03
5786853 Lens control device Masahide Hirasawa, Taeko Tanaka 1998-07-28