TT

Tadao Takagi

NI Nikon: 103 patents #7 of 2,493Top 1%
NK Nippon Kogaku K.K.: 5 patents #67 of 382Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #12,498 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 76–100 of 108 patents

Patent #TitleCo-InventorsDate
5313246 Exposure control device in a camera Tadao Kai, Shigeyuki Uchiyama, Hiroyuki Iwasaki 1994-05-17
5309193 Camera with automatic light adjusting device 1994-05-03
5268730 Automatic light modulating camera 1993-12-07
5266985 Camera with optimum composition determinator 1993-11-30
5266983 Camera having the plural photograph function 1993-11-30
RE34409 Drive circuit for surface-wave driven motor utilizing ultrasonic vibration Kazuo Hakamata, Yukio Hyodo 1993-10-19
5249015 Exposure calculation device Hiroyuki Iwasaki 1993-09-28
5245381 Apparatus for ordering to phototake with eye-detection Ken Utagawa, Toshimi Watanabe, Minoru Kato, Yoshihiro Takeuchi, Hideya Inoue 1993-09-14
5239337 Apparatus for ordering to phototake with eye-detection Ken Utagawa, Minoru Kato, Yoshihiro Takeuchi 1993-08-24
5239333 Camera exposure calculation device dependent on type of scene to be photographed 1993-08-24
5231448 Photometric apparatus for a camera Toshihiro Sato, Masaru Muramatsu, Ken Utagawa, Seiichi Yasukawa, Shinichi Suzuki 1993-07-27
5231447 Automatic light adjustment camera and exchangable lenses therefor 1993-07-27
5218397 Automatic exposure control apparatus for a camera 1993-06-08
5204577 Ultrasonic motor improved in driving efficiency Tsuneo Watanabe, Daisuke Saya 1993-04-20
5172157 Automatic light adjustment device for cameras 1992-12-15
5066884 Ultrasonic motor having high drive efficiency Daisuke Saya, Shigehisa Nemoto 1991-11-19
5061882 Power supply frequency regulating device for vibration wave driven motor 1991-10-29
5019853 Exposure control apparatus for use in camera Toshihiro Sato 1991-05-28
5016039 Camera system Toshio Sosa, Isao Uchida, Toru Fukuhara, Hiroyuki Iwasaki, Toshihiro Sato +5 more 1991-05-14
5006879 Electronic flash lighting device for camera Toshihiro Sato 1991-04-09
5003338 Exposure control device for camera Toshihiro Sato 1991-03-26
4984007 Exposure control apparatus for camera 1991-01-08
4972222 Exposure controlling apparatus for camera Toshihiro Sato, Keiji Ohsawa 1990-11-20
4965620 Camera Toshihiro Sato, Takashi Saegusa 1990-10-23
4951082 Three-dimensional multi-pattern photo-metering apparatus 1990-08-21