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 26–50 of 108 patents

Patent #TitleCo-InventorsDate
5719462 Ultrasonic motor having improved stator 1998-02-17
5717459 Solid state imager device having A/D converter Yasuhito Maki, Tetsuro Goto, Hiroyuki Iwasaki 1998-02-10
5714988 Camera capable of detecting eye-gaze Shigemasa Sato, Shigeyuki Uchiyama 1998-02-03
5710948 Camera system with color temperature meter 1998-01-20
5710491 Driving control device for vibration wave motor Ryoichi Suganuma, Daisuke Saya 1998-01-20
5698930 Ultrasonic wave motor and method of manufacture 1997-12-16
5687407 Exposure calculation device for camera Hiroyuki Iwasaki 1997-11-11
5686776 Ultrasonic motor having high drive efficiency Daisuke Saya 1997-11-11
5664242 Automatic exposure device and photometry device in a camera 1997-09-02
5661360 Ultrasonic motor having high drive efficiency Daisuke Saya 1997-08-26
5655161 Photometric device for a camera 1997-08-05
5642162 Charge transfer device having a signal processing circuit for correcting output voltage Yasuhito Maki, Maki Sato, Tadakuni Narabu, Hiroyuki Iwasaki, Tetsuro Goto 1997-06-24
5625247 Vibration driven motor Tsuneo Watanabe, Daisuke Saya, Ryouichi Suganuma, Kunihiro Fukino 1997-04-29
5623703 Camera capable of detecting eye-gaze Shigemasa Sato, Shigeyuki Uchiyama 1997-04-22
5614970 Flash lighting apparatus and a camera equipped with the flash lighting apparatus Takatoshi Ashizawa 1997-03-25
5598243 Camera having removable viewfinder and visual line detection device 1997-01-28
5596387 Auto-exposure device of a camera 1997-01-21
5576798 Automatic flash amount control apparatus of camera 1996-11-19
5576800 Camera having an auxiliary photographing function Hiroyuki Iwasaki 1996-11-19
5554906 Ultrasonic motor 1996-09-10
5543879 Driving apparatus 1996-08-06
5534968 Camera having variable photometry conditions 1996-07-09
5504553 Automatic light adjustment apparatus for a camera on which a photographic lens can be freely mounted 1996-04-02
5504550 Camera which performs photographic adjustments based on the visual line of the photographer Kouichirou Minamino 1996-04-02
5499075 Photometric apparatus for a camera Toshihiro Sato, Seiichi Yasukawa 1996-03-12