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 51–75 of 76 patents

Patent #TitleCo-InventorsDate
5953550 Shutter device of camera 1999-09-14
5945753 Motor Hiroaki Maegawa, Takayuki Tsuboi 1999-08-31
5925945 Compact motor with enhanced workability 1999-07-20
5899591 Film transporting system for camera using three different transport speeds 1999-05-04
5831356 Compact cylindrical stepping motor and advancing device 1998-11-03
5815752 Camera having a magnetic recording apparatus selectively operable based on film feed speed Hideo Tamamura 1998-09-29
5742858 Camera having magnetic head 1998-04-21
5729780 Camera with magnetic head prevented from contacting film during image recording 1998-03-17
5664246 Camera comprising film information readout and/or reading mechanism Masaaki Ishihara, Akira Egawa 1997-09-02
5563673 Camera 1996-10-08
5521667 Camera utilizing a push-out type film cartridge Akira Egawa 1996-05-28
5481323 Camera using film with magnetic storage section Akira Egawa 1996-01-02
5384506 Stepper motor 1995-01-24
5353078 Camera having a magnetic recording device 1994-10-04
5335036 Shutter device for camera 1994-08-02
5283604 Camera which reads information from a stabilized film cartridge 1994-02-01
5245372 Camera using a film with a magnetic memory portion with a two-speed film transporting feature 1993-09-14
5172151 Image pickup apparatus Shinya Yomogizawa, Akihiro Nami, Hideo Ikari, Makoto Miyawaki, Takashi Ikeda 1992-12-15
5136318 Camera using film having magnetic storage part 1992-08-04
D326863 Camera Hitomi Ito 1992-06-09
5097278 Camera using a film with a magnetic memory Hideo Tamamura 1992-03-17
4777508 Exposure control device for camera of variable focal length type 1988-10-11
4731629 Control device for exposure-with-zooming photography Yasuhiko Shiomi 1988-03-15
4731624 Data imprinting device for a camera Toru Nagata, Hiroshi Maeno, Hideo Tamamura 1988-03-15
4643549 Data imprinting device for a camera Toru Nagata, Hiroshi Maeno, Hideo Tamamura 1987-02-17