Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CA

Chikara Aoshima — 76 Patents

Canon: 77 patents #260 of 19,416Top 2%
NINisca: 1 patents #235 of 371Top 65%
Overall (All Time): #25,069 of 4,157,543Top 1%
76 Patents All Time

Issued Patents All Time

Showing 26–50 of 76 patents

Patent #TitleCo-InventorsDate
6719463 Drive apparatus, light quantity adjusting apparatus, and lens drive apparatus 2004-04-13
6713985 Drive control apparatus for stepping motor 2004-03-30
6710563 Driving device, light amount controller and shutter Masao Mizumaki 2004-03-23
6642687 Stepping-motor driving device and lens driving device using the same 2003-11-04
6631014 Image reading apparatus Shigeru Kawasaki, Toshio Takahashi 2003-10-07
6591066 Motor and photographing apparatus 2003-07-08
6559569 Motor device 2003-05-06
6464416 APPARATUS HAVING CARRIAGE SCANNING MECHANISM, AND RECORDING APPARATUS, INFORMATION RECORDING/REPRODUCING APPARATUS, INFORMATION RECORDING APPARATUS, INFORMATION REPRODUCTION APPARATUS, INFORMATION READING APPARATUS AND INFORMATION ERASING APPARATUS, EACH PROVIDED WITH APPARATUS HAVING CARRIAGE SCANNING MECHANISM 2002-10-15
6465916 Motor 2002-10-15
6411003 Motor Toyoshige Sasaki 2002-06-25
6400055 Motor Hiroaki Maegawa 2002-06-04
6316851 Motor Hiroaki Maegawa 2001-11-13
6317562 Lens driving apparatus 2001-11-13
6269226 Shutter device of camera 2001-07-31
6255749 Motor Akira Kurosawa 2001-07-03
6172440 Motor Toyoshige Sasaki 2001-01-09
6157107 Motor with magnetic stator poles inside and outside the rotor magnet Toyoshige Sasaki 2000-12-05
6125240 Camera 2000-09-26
6081053 Motor Hiroaki Maegawa 2000-06-27
6064828 Camera detecting the type of loaded film and adjusting amplifier gain of magnetic read circuit Toshiharu Ueda 2000-05-16
6049677 Camera having magnetic signal reproducing circuit with adjustable gain amplifier Toshiharu Ueda, Kazuhiro Izukawa 2000-04-11
6046517 Electric motor Toyoshige Sasaki 2000-04-04
5973425 Motor 1999-10-26
5969453 Motor 1999-10-19
5970268 Shutter device of camera having a light blocking member with a variable starting position 1999-10-19