TT

Takayuki Tsuboi

Canon: 46 patents #855 of 19,416Top 5%
SC Sumitomo Heavy Industries Construction Cranes Co.: 1 patents #10 of 24Top 45%
Overall (All Time): #60,753 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
5610678 Camera including camera body and independent optical viewfinder Yasuhiro Toyoda 1997-03-11
5239331 Brake device for motor in camera Takashi Kobe 1993-08-24
5223873 Magnification change-over device for a camera 1993-06-29
D336310 Camera Hiroyuki Fukushima 1993-06-08
5136324 Camera apparatus for adjusting the optical system at different speeds Isao Nakazawa, Hiroshi Maeno, Yasuhiko Shiomi 1992-08-04
5134435 Camera Takashi Kobe 1992-07-28
5083148 Driving power transmitting device for camera 1992-01-21
5023647 Automatic status discriminator Yasuhiko Shiomi 1991-06-11
4982218 Camera Isao Nakazawa, Hiroshi Maeno, Yasuhiko Shiomi 1991-01-01
4970537 Camera permitting close-up photography 1990-11-13
D311016 Camera Noboru Tanaka 1990-10-02
4935764 Stepping drive unit for camera Isao Nakazawa, Yasuhik Shiomi 1990-06-19
4870439 Focal length varying device for camera Isao Nakazawa, Hiroshi Maeno, Yasuhiko Shiomi 1989-09-26
4862202 Magnification change-over device for camera Isao Nakazawa, Yoshihiro Harunari, Yasuhisa Sato, Yasuyuki Yamada 1989-08-29
4827303 Distance measuring device 1989-05-02
4811041 Magnification change-over device for camera 1989-03-07
D291579 Camera Hitomi Ito 1987-08-25
D291090 Camera Nobuhiro Ago 1987-07-28
4610523 Operation control mechanism for camera 1986-09-09
4595268 Camera having lens protection cover 1986-06-17
4457604 Camera having lens protection cover 1984-07-03
4410253 Camera having lens protection cover 1983-10-18