KO

Keiji Osawa

NI Nikon: 12 patents #351 of 2,493Top 15%
Overall (All Time): #423,899 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7929858 Image-capturing apparatus, electronic still camera, method and apparatus for processing mounting surface of image-capturing apparatus and metal member contact structure Akira Ezawa, Akira Yamamoto, Takayuki Uchiyama, Yousuke Kowno, Katsumasa Nishijima +1 more 2011-04-19
7075719 Optical filter and optical device provided with this optical filter 2006-07-11
6803961 Image-capturing apparatus, electronic still camera, method and apparatus for processing mounting surface of image-capturing apparatus and metal member contact structure Akira Ezawa, Akira Yamamoto, Takayuki Uchiyama, Yousuke Kowno, Katsumasa Nishijima +1 more 2004-10-12
6778325 Optical filter and optical device provided with this optical filter 2004-08-17
6650474 Optical filter and optical device provided with this optical filter 2003-11-18
6392803 Optical filter and optical device provided with this optical filter 2002-05-21
6327085 Optical filter and optical device provided with this optical filter Kiyoshige Shibazaki 2001-12-04
6272292 Electronic flash control apparatus Hiroyuki Iwasaki 2001-08-07
5875360 Focus detection device 1999-02-23
5678074 Power focus device for a camera Ryuichi Mori 1997-10-14
5498864 Camera focus detection apparatus detecting focus conditions among multiple areas within a photographic scene 1996-03-12
5412445 Power focus device for a camera Ryuichi Mori 1995-05-02