Inventor
KOSAKO KOSEI
JP48 patents
⚠️ This page may combine multiple inventors who share the name “KOSAKO KOSEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
30 patentsUS5923910AJul 13, 1999
Distance measuring apparatus
ASAHI OPTICAL CO LTD44 citations96
US5909600AJun 1, 1999
Camera structure
ASAHI OPTICAL CO LTD64 citations96
US5066965ANov 19, 1991
Waterproof and/or water-resistant camera
ASAHI OPTICAL CO LTD25 citations93
US6263164B1Jul 17, 2001
Distance measuring apparatus
ASAHI OPTICAL CO LTD21 citations92
US5774748AJun 30, 1998
Zoom lens barrel and camera having such a barret
ASAHI OPTICAL CO LTD43 citations92
US5740477AApr 14, 1998
Multi-point object distance measuring device
ASAHI OPTICAL CO LTD28 citations92
US5194340AMar 16, 1993
Polarized battery terminal contact device
ASAHI OPTICAL CO LTD25 citations92
US5070348ADec 3, 1991
Waterproof and/or water-resistant camera
ASAHI OPTICAL CO LTD44 citations92
US6122450ASep 19, 2000
Distance measuring apparatus
ASAHI OPTICAL CO LTD13 citations82
US6169855B1Jan 2, 2001
Distance measuring apparatus
ASAHI OPTICAL CO LTD3 citations74
US6088536AJul 11, 2000
Distance measuring apparatus
ASAHI OPTICAL CO LTD8 citations74
US6081669AJun 27, 2000
Photometric operation system of camera
ASAHI OPTICAL CO LTD14 citations74
US6070017AMay 30, 2000
Distance measuring apparatus
ASAHI OPTICAL CO LTD4 citations74
US6006038ADec 21, 1999
Camera having apparatus for adjusting diopter of view finder and diopter adjusting mechanism for finder optical system of camera
ASAHI OPTICAL CO LTD14 citations74
US5822626AOct 13, 1998
Real image type of finder
ASAHI OPTICAL CO LTD8 citations74
US5623706AApr 22, 1997
Camera having auto focusing and auto exposure functions
ASAHI OPTICAL CO LTD9 citations74
US5463438AOct 31, 1995
Parallax correcting mechanism of a zoom finder of a camera
ASAHI OPTICAL CO LTD15 citations74
US5386259AJan 31, 1995
Coordinating mechanism for picture image area and field frame size adjusting apparatus of camera
ASAHI OPTICAL CO LTD8 citations74
US5335028AAug 2, 1994
Waterproof and/or water-resistant camera
ASAHI OPTICAL CO LTD14 citations74
US5317354AMay 31, 1994
Remote control for a camera having an optical fiber
ASAHI OPTICAL CO LTD12 citations74
US5212509AMay 18, 1993
Waterproof camera having a, movable lens, barrel and cover
ASAHI OPTICAL CO LTD14 citations74
US5136326AAug 4, 1992
Photometry device for camera
ASAHI OPTICAL CO LTD9 citations73
US6081671AJun 27, 2000
Distance measuring apparatus
ASAHI OPTICAL CO LTD2 citations63
US5953163ASep 14, 1999
Waterproof lens barrel
ASAHI OPTICAL CO LTD4 citations63
US5420657AMay 30, 1995
Viewfinder of a camera having projected indicator marks
ASAHI OPTICAL CO LTD3 citations63
US5305041AApr 19, 1994
Remotely controllable camera system
ASAHI OPTICAL CO LTD6 citations63
US5233377AAug 3, 1993
Waterproof camera having a reinforced cover
ASAHI OPTICAL CO LTD2 citations63
US6356716B1Mar 12, 2002
Camera having operation member on rear cover thereof, variable picture size camera and picture size switching mechanism, and click stop mechanism
ASAHI OPTICAL CO LTD4 citations62
US6112030AAug 29, 2000
Distance measuring apparatus
ASAHI OPTICAL CO LTD0 citations52
US5548365AAug 20, 1996
View finder of camera
ASAHI OPTICAL CO LTD1 citations52
HOYA CORP
7 patentsUS7586519B2Sep 8, 2009
Optical apparatus using flexible printed wiring board
HOYA CORP12 citations84
US7477316B2Jan 13, 2009
Pivot shaft mechanism, and a pivot shaft mechanism of a camera for pivoting a rotatable grip on a camera body
HOYA CORP5 citations63
US7974530B2Jul 5, 2011
Diaphragm control apparatus of interchangeable lens camera
HOYA CORP2 citations62
US7970273B2Jun 28, 2011
Diaphragm control apparatus of interchangeable lens camera
HOYA CORP2 citations62
US7970274B2Jun 28, 2011
Diaphragm control apparatus of interchangeable lens camera
HOYA CORP5 citations62
US7720365B2May 18, 2010
Photographic device with anti-shake function
HOYA CORP0 citations42
US7751698B2Jul 6, 2010
Photographic device with image generation function
HOYA CORP0 citations39