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USPTO Patent Rankings Data through Sept 30, 2025
KM

Kiyosada Machida — 39 Patents

NINikon: 38 patents #69 of 2,493Top 3%
NKNippon Kogaku K.K.: 1 patents #221 of 382Top 60%
Overall (All Time): #83,372 of 4,157,543Top 3%
39 Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
5640224 Automatic photographing apparatus in a camera Junichi Omi, Hiroshi Wakabayashi 1997-06-17
5634152 Camera with built-in flash Minoru Kato, Hiroshi Wakabayashi 1997-05-27
5634147 Drive device for a camera 1997-05-27
5634150 Compact camera with improved display device and mounting board layout Yuji Katano, Hiroshi Wakabayashi, Junichi Omi 1997-05-27
5617172 Camera battery cover structure Hidefumi Ohta 1997-04-01
5543875 Multi-motor camera for normal and trimming photography having variable focal length photographing lens and finder and variable illuminating angle flash device Yoshio Imura, Yoshihiro Takeuchi 1996-08-06
5537183 Control device for preventing red-eye effect on camera Daiki Tsukahara, Noriyasu Kotani, Minoru Kato, Hideya Inoue 1996-07-16
5477294 Camera of which the photographing image field is changeable Minoru Kato, Hidenori Miyamoto 1995-12-19
5400113 Control device for preventing red-eye effect on camera Toshio Sosa, Hachiro Kanai, Norikazu Yokonuma, Daiki Tsukahara, Noriyasu Kotani +6 more 1995-03-21
5307103 Lens barrel 1994-04-26
4857947 Position controlling device in a lens driving apparatus for camera Hiroshi Wakabayashi, Kazuyuki Kazami, Toshiyuki Nakamura, Hidenori Miyamoto, Daiki Tsukahara +1 more 1989-08-15
4843411 Camera containing a lens barrier therein Hiroshi Wakabayashi, Daiki Tsukahara, Yuji Katano, Hidenori Miyamoto 1989-06-27
4789875 Variable focus camera Hiroshi Wakabayashi, Daiki Tsukahara, Akira Katayama, Kazuyuki Kazami, Yuji Katano +2 more 1988-12-06
4697909 Power source device with reserve power source for camera Yoshiyuki Nakano, Nobuo Matsukawa 1987-10-06