RT

Ryuji Tokuda

Canon: 26 patents #2,250 of 19,416Top 15%
TI Texas Instruments: 2 patents #5,248 of 12,488Top 45%
Overall (All Time): #156,360 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent of 26 patents

Patent #TitleCo-InventorsDate
6858983 Display device having conical transparent members covering electroluminescent elements Noritaka Mochizuki, Michitaka Setani, Masanori Sakuranaga, Hikaru Hoshi 2005-02-22
4720723 Distance measuring device Yoshihiro Harunari, Takashi Kobe 1988-01-19
4701048 Input circuit for distance measuring apparatus Yoshihiro Harunari, Takashi Kobe 1987-10-20
4550992 Motor drive control circuit Masanori Ohtsuka 1985-11-05
4547770 Battery voltage checking apparatus Ryoichi Suzuki 1985-10-15
4544254 Camera with a display device for displaying both object distance informations and coupling range informations Akira Egawa 1985-10-01
4542970 Shutter release device Ryoichi Suzuki 1985-09-24
4537489 Automatic focusing device Ryoichi Suzuki 1985-08-27
4512643 Exposure control device for camera 1985-04-23
4502774 Battery check device for camera Ryoichi Suzuki 1985-03-05
4500193 Indicating apparatus for camera Ryoichi Suzuki 1985-02-19
4482238 Brightness warning device for camera 1984-11-13
4482236 Electrically operated camera and disabling device therefor Hiroyoshi Tsuzuki, Mutsuhide Matsuda 1984-11-13
4479708 Temperature compensation system of light measuring circuit 1984-10-30
4459574 Driving circuit for a coil 1984-07-10
4453812 Auto-focus device for camera Ryoichi Suzuki 1984-06-12
4429967 Distance measuring system Masahiko Ogawa, Tokuichi Tsunekawa, Shuichi Tamura 1984-02-07
4425031 Automatic focus adjusting apparatus for camera Shuichi Tamura, Masahiko Ogawa, Tokuichi Tsunekawa 1984-01-10
4425032 Cameras and circuits for sensing the action of camera shutters Ryoichi Suzuki 1984-01-10
4415249 Motor drive circuit for camera Hiroyoshi Tsuzuki 1983-11-15
4375321 Exposure amount control device Ryoichi Suzuki, Michio Hirohata 1983-03-01
4365878 Signal processing circuitry for a distance measuring system Bernhard H. Andresen 1982-12-28
4350418 Camera provided with automatic focus adjusting device Tetsuya Taguchi, Shuichi Tamura, Masahiko Ogawa 1982-09-21
4317070 Circuits for flash equipment Yukio Mashimo, Masanori Uchidoi 1982-02-23
4300824 Signal processing circuitry for a distance measuring system Bernhard H. Andresen 1981-11-17