KK

Kosei Kosako

PE Pentax: 31 patents #38 of 761Top 5%
HO Hoya: 7 patents #167 of 1,290Top 15%
RC Ricoh Imaging Company: 5 patents #4 of 67Top 6%
PE Pentax: 3 patents #145 of 396Top 40%
PC Pentax Ricoh Imaging Company: 2 patents #27 of 74Top 40%
Overall (All Time): #58,718 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
6070017 Distance measuring apparatus Naoto Nakahara, Takuma Sato 2000-05-30
6006038 Camera having apparatus for adjusting diopter of view finder and diopter adjusting mechanism for finder optical system of camera 1999-12-21
5953163 Waterproof lens barrel Hitoshi Tanaka 1999-09-14
5923910 Distance measuring apparatus Naoto Nakahara, Takuma Sato 1999-07-13
5909600 Camera structure 1999-06-01
5822626 Real image type of finder 1998-10-13
5774748 Zoom lens barrel and camera having such a barret Takayuki Ito, Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata +4 more 1998-06-30
5740477 Multi-point object distance measuring device Takuma Sato 1998-04-14
5623706 Camera having auto focusing and auto exposure functions 1997-04-22
5548365 View finder of camera 1996-08-20
5463438 Parallax correcting mechanism of a zoom finder of a camera 1995-10-31
5440369 Compact camera with automatic focal length dependent exposure adjustments Yasushi Tabata, Norio Numako 1995-08-08
5420657 Viewfinder of a camera having projected indicator marks 1995-05-30
5386259 Coordinating mechanism for picture image area and field frame size adjusting apparatus of camera Yuichi Ichikawa 1995-01-31
5335028 Waterproof and/or water-resistant camera 1994-08-02
5317354 Remote control for a camera having an optical fiber 1994-05-31
5305041 Remotely controllable camera system Yuichi Ichikawa, Masahiro Hayakawa 1994-04-19
5233377 Waterproof camera having a reinforced cover 1993-08-03
5212509 Waterproof camera having a, movable lens, barrel and cover Takeo Kobayashi 1993-05-18
5194340 Polarized battery terminal contact device 1993-03-16
5136326 Photometry device for camera Hidetaka Yokota, Norimichi Takahashi 1992-08-04
5070348 Waterproof and/or water-resistant camera Masahiro Hayakawa 1991-12-03
5066965 Waterproof and/or water-resistant camera Hitoshi Tanaka 1991-11-19