KU

Ken Utagawa

NI Nikon: 60 patents #28 of 2,493Top 2%
NK Nippon Kogaku K.K.: 24 patents #3 of 382Top 1%
Overall (All Time): #20,725 of 4,157,543Top 1%
84
Patents All Time

Issued Patents All Time

Showing 26–50 of 84 patents

Patent #TitleCo-InventorsDate
5576797 Camera with focus detecting device for removing vignetting effects Yosuke Kusaka 1996-11-19
5574536 Automatic focus adjustment camera Yosuke Kusaka 1996-11-12
5555068 Camera with improved lens drive during switching of multiple focal point detection areas 1996-09-10
5536931 Camera with focus detecting device for removing vignetting effects Yosuke Kusaka 1996-07-16
5532781 Focus detection device for an optical system Yosuke Kusaka 1996-07-02
5528330 Focus detecting apparatus 1996-06-18
5528331 Automatic focusing apparatus Yosuke Kusaka, Masaru Muramatsu, Shozo Yamano 1996-06-18
5523553 Camera with focus detecting device for removing vignetting effects Yosuke Kusaka 1996-06-04
5519203 Camera with focus detecting device for removing vignetting effects and method of focus detection Yosuke Kusaka 1996-05-21
5517275 Automatic focusing apparatus Yosuke Kusaka, Masaru Muramatsu, Shozo Yamano 1996-05-14
5512973 Automatic focusing apparatus Yosuke Kusaka, Masaru Muramatsu, Shozo Yamano 1996-04-30
5510873 Automatic focusing apparatus Yosuke Kusaka, Masaru Muramatsu, Shozo Yamano 1996-04-23
5510874 Automatic focusing apparatus Yusuke Kusaka, Masaru Muramatsu, Shozo Yamano 1996-04-23
5504551 Automatic focusing apparatus Yosuke Kusaka, Masaru Muramatsu, Shozo Yamano 1996-04-02
5502537 Focus adjustment device having predictive function 1996-03-26
5422701 Focus detection apparatus 1995-06-06
5410383 Focus detecting device Yosuke Kusaka, Shigeyuki Uchiyama, Chiyuki Kuwata, Shozo Yamano 1995-04-25
5373342 Focus detection apparatus 1994-12-13
5258801 Focus detecting device Yosuke Kusaka, Shigeyuki Uchiyama, Chiyuki Kuwata, Shozo Yamano 1993-11-02
5245381 Apparatus for ordering to phototake with eye-detection Tadao Takagi, Toshimi Watanabe, Minoru Kato, Yoshihiro Takeuchi, Hideya Inoue 1993-09-14
5239337 Apparatus for ordering to phototake with eye-detection Tadao Takagi, Minoru Kato, Yoshihiro Takeuchi 1993-08-24
5231448 Photometric apparatus for a camera Toshihiro Sato, Masaru Muramatsu, Tadao Takagi, Seiichi Yasukawa, Shinichi Suzuki 1993-07-27
5191201 Camera with focus detecting device for removing vignetting effects Yosuke Kusaka 1993-03-02
5179407 Automatic focusing device Yosuke Kusaka, Toshimi Watanabe 1993-01-12
5155518 Focus detecting apparatus 1992-10-13