YO

Yoshiaki Ohtsubo

NK Nippon Kogaku K.K.: 15 patents #13 of 382Top 4%
NI Nikon: 9 patents #466 of 2,493Top 20%
Overall (All Time): #176,138 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
5400113 Control device for preventing red-eye effect on camera Toshio Sosa, Hachiro Kanai, Norikazu Yokonuma, Daiki Tsukahara, Kiyosada Machida +6 more 1995-03-21
5367353 Operation control device for a camera Tatsuo Amanuma, Akira Katayama, Jun Nagai 1994-11-22
5216459 Operation control device for a camera Toru Kosaka, Tatsuo Amanuma, Akira Katayama, Jun Nagai, Hiroshi Wakabayashi +2 more 1993-06-01
5198854 Camera with an electronic flash light apparatus Yukikazu Iwane 1993-03-30
5038165 Camera with built-in self-timer Tatsuo Amanuma, Daiki Tsukahara 1991-08-06
5006700 Distance-measuring apparatus for camera Toru Kosaka, Hiroshi Meguro 1991-04-09
5003332 Electrically operated camera which selectively inhibits shutter release based on film presence Naoki Watanabe, Tatsuo Amanuma 1991-03-26
4909624 Active distance measuring apparatus Hiroyuki Tsuru, Toru Kosaka, Tadashi Otani 1990-03-20
4796044 Auto-focus camera Tatuo Amanuma, Kenji Ishizuki 1989-01-03
4511233 Charge control device in a flash device for a camera Kazuyuki Kazami 1985-04-16
4441774 Flash device of a camera Kazuyuki Kazami 1984-04-10
4407573 Pop up flash device control for a camera Hiroshi Wakabayashi, Kazuyuki Kazami, Shigeo Akasaka 1983-10-04
4389108 Power supply control circuit in a camera Sakuji Watanabe, Ryuzo Motoori 1983-06-21
4373790 Camera having a flashlight photography recommendation device 1983-02-15
4362373 Shutter control device for a camera having a shutter release lock device Kazuyuki Kazami 1982-12-07
4340284 Temperature-compensated signal transmitting device Sakuji Watanabe 1982-07-20
4302085 Shutter time adjustment for a flash mode and/or film-leader location Kazuyuki Kazami, Yasunori Kitamura 1981-11-24
4289388 Automatic focus adjusting device of a camera having a self-timer Hiroshi Wakabayashi 1981-09-15
4275953 Exposure parameter information generating circuit in a single lens reflex camera Sakuji Watanabe, Kenji Toyoda 1981-06-30
4269496 Power supply circuit for camera Ryuzo Motoori, Sakuji Watanabe 1981-05-26
4264164 Memory holding device in a single lens reflex camera Ryuzo Motoori, Sakuji Watanabe 1981-04-28
4239358 Alarm device control system in a camera Shigeo Akasaka, Sakuji Watanabe, Mikio Takemae, Ryuzo Motoori, Yasunori Kitamura 1980-12-16
4238146 Sound alarm device in a camera Yasunori Kitamura, Shigeo Akasaka, Sakuji Watanabe, Mikio Takemae, Ryuzo Motoori 1980-12-09
4189219 Control system for flash photographing apparatus Hiroshi Hasegawa, Sakuji Watanabe, Kouichi Takahata, deceased 1980-02-19