Inventor
NAKAYAMA HIROKI
JP105 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
42 patentsUS6606200B1Aug 12, 2003
Zoom lens device and optical apparatus provided with the same
CANON KK67 citations96
US6094312AJul 25, 2000
Rear focusing zoom lens
CANON KK46 citations96
US6081389AJun 27, 2000
Zoom lens of retrofocus type
CANON KK75 citations96
US5847882ADec 8, 1998
Rear focusing zoom lens
CANON KK56 citations96
US4909614AMar 20, 1990
Variable magnification finder
CANON KK51 citations96
US4842395AJun 27, 1989
Finder of variable magnification
CANON KK69 citations96
US4810070AMar 7, 1989
Lens system having a good image performance for white light
CANON KK73 citations96
US6285509B1Sep 4, 2001
Zoom lens and display apparatus having the same
CANON KK46 citations93
US6154322ANov 28, 2000
Zoom lens and photographing apparatus having the same
CANON KK50 citations93
US5111338AMay 5, 1992
Zoom Lens
CANON KK30 citations93
US5087988AFeb 11, 1992
Zoom lens
CANON KK32 citations93
US5078481AJan 7, 1992
Magnification changing lens
CANON KK39 citations93
US5011272AApr 30, 1991
Compact zoom lens
CANON KK39 citations93
US4842386AJun 27, 1989
Variable focal length objective
CANON KK29 citations93
US4776679AOct 11, 1988
Objective of variable focal length
CANON KK35 citations93
US5754346AMay 19, 1998
Zoom lens
CANON KK23 citations92
US5739961AApr 14, 1998
Zoom lens
CANON KK23 citations92
US5270866ADec 14, 1993
Compact zoom lens
CANON KK26 citations92
US4941070AJul 10, 1990
Flash device for a camera
CANON KK47 citations92
US4871238AOct 3, 1989
Photographic optical device with variable magnification
CANON KK30 citations92
US4757336AJul 12, 1988
View finder of variable magnification
CANON KK32 citations92
US7287861B2Oct 30, 2007
Display optical system and image projector
CANON KK12 citations84
US6989939B2Jan 24, 2006
Variable-power optical system, projection optical system, and image projection apparatus using the systems
CANON KK16 citations84
US4907866AMar 13, 1990
Objective of variable focal length
CANON KK19 citations82
US4830474AMay 16, 1989
Variable magnification optical system
CANON KK18 citations82
US4751539AJun 14, 1988
Variable power finder
CANON KK20 citations82
US4659186AApr 21, 1987
Small size zoom lens
CANON KK23 citations82
US4679913AJul 14, 1987
Vari-focal objective lens of short total length
CANON KK19 citations79
US6934092B1Aug 23, 2005
Zoom lens and photographing apparatus having the same
CANON KK7 citations74
US6104548AAug 15, 2000
Zoom lens
CANON KK15 citations74
US5583699ADec 10, 1996
Rear-focus zoom lens system
CANON KK14 citations74
US5574523ANov 12, 1996
Camera capable of varying size of image plane
CANON KK5 citations74
US5289317AFeb 22, 1994
Compact zoom lens
CANON KK18 citations74
US5113287AMay 12, 1992
Compact zoom lens with positive power front lens group and negative power rear lens group
CANON KK17 citations74
US5054898AOct 8, 1991
Compact high-range varifocal objectives
CANON KK13 citations74
US5002372AMar 26, 1991
Optical system for amphibious camera and a moving device using the same
CANON KK9 citations74
US4815830AMar 28, 1989
Small sized zoom lens
CANON KK15 citations74
US4770508ASep 13, 1988
Conversion lens releasably attached behind master lens
CANON KK14 citations74
US4726668AFeb 23, 1988
Zoom lens of short total length
CANON KK17 citations74
US4702581AOct 27, 1987
Flash device for camera
CANON KK10 citations74
US4697882AOct 6, 1987
Beam splitter for changing optical paths small tilt
CANON KK16 citations74
US4643536AFeb 17, 1987
Rear conversion lens
CANON KK10 citations74
FUJIFILM CORP
4 patentsUS7734013B2Jun 8, 2010
Radiation image capturing apparatus and method of controlling radiation image capturing apparatus
FUJIFILM CORP10 citations83
US11317882B2May 3, 2022
Radiography system, medical imaging system, control method, and control program
FUJIFILM CORP3 citations73
US11266369B2Mar 8, 2022
Radiography system, control method, and control program
FUJIFILM CORP2 citations73
US10433795B2Oct 8, 2019
Radiation imaging system, image processing device, radiation imaging method, and image processing program
FUJIFILM CORP6 citations73
NAKAYAMA HIROKI
2 patentsOKADA NAOYUKI
1 patentBASF CORP
1 patentShowing the top 50 of 105 patents by PatentIndex Score.