Inventor
TAKAGI AKINARI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI AKINARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
33 patentsUS7414791B2Aug 19, 2008
Eye detection apparatus and image display apparatus
CANON KK205 citations99
US10690495B2Jun 23, 2020
Ranging apparatus and moving object capable of high-accuracy ranging
CANON KK19 citations94
US6980363B1Dec 27, 2005
Image observation apparatus and system
CANON KK22 citations93
US6493146B2Dec 10, 2002
Image display apparatus
CANON KK47 citations93
US7462873B2Dec 9, 2008
Stacked three dimensional photonic crystal, light emitting device, and image display apparatus
CANON KK44 citations92
US7446943B2Nov 4, 2008
Display optical system, image display apparatus, image taking optical system, and image taking apparatus
CANON KK16 citations92
US7085467B2Aug 1, 2006
Three-dimensional periodic structure, functional element including the same, and light-emitting device
CANON KK26 citations92
US6993235B2Jan 31, 2006
Three-dimensional periodic structure and functional element including the same
CANON KK39 citations92
US7274849B2Sep 25, 2007
Three-dimensional photonic crystal and functional device including the same
CANON KK13 citations84
US7209622B2Apr 24, 2007
Resonator and light emitting device using the same
CANON KK18 citations84
US7193585B2Mar 20, 2007
Image observation system
CANON KK15 citations84
US7184642B2Feb 27, 2007
Three-dimensional photonic crystal and optical element
CANON KK14 citations84
US7151629B2Dec 19, 2006
Three-dimensional photonic crystal and optical device including the same
CANON KK15 citations84
US7019909B2Mar 28, 2006
Optical system, image display apparatus, and image taking apparatus
CANON KK15 citations84
US7012756B2Mar 14, 2006
Display optical system, image display apparatus, image taking optical system, and image taking apparatus
CANON KK11 citations84
US7001019B2Feb 21, 2006
Image observation apparatus and system
CANON KK15 citations84
US12327368B2Jun 10, 2025
Image processing apparatus and control method of image processing apparatus
CANON KK2 citations75
US7592632B2Sep 22, 2009
Light emitting device and display device using the same
CANON KK7 citations74
US7039287B2May 2, 2006
Display element, image observation system having display element, and image projection system
CANON KK7 citations74
US10911702B2Feb 2, 2021
Imaging device and imaging apparatus
CANON KK0 citations63
US9470825B2Oct 18, 2016
Color filter array, solid-state image sensor, and imaging device
CANON KK2 citations63
US7502541B2Mar 10, 2009
Resonator, light emitting device, and wavelength conversion device
CANON KK3 citations63
US7463814B2Dec 9, 2008
Method for fabricating three-dimensional photonic crystal
CANON KK3 citations63
US7313307B2Dec 25, 2007
Waveguide and device including the same
CANON KK6 citations63
US7308181B2Dec 11, 2007
Method for manufacturing three-dimensional photonic crystal
CANON KK6 citations63
US7302147B2Nov 27, 2007
Three-dimensional photonic crystal and functional device including the same
CANON KK6 citations63
US11808607B2Nov 7, 2023
Ranging apparatus and moving object capable of high-accuracy ranging
CANON KK0 citations62
US11812137B2Nov 7, 2023
Measurement apparatus, image capturing apparatus, control method, and recording medium
CANON KK0 citations61
US11277569B2Mar 15, 2022
Measurement apparatus, image capturing apparatus, control method, and recording medium
CANON KK0 citations61
US12335599B2Jun 17, 2025
Image processing device, image processing method, imaging device, and recording medium that display first and second subject regions in a captured image
CANON KK0 citations52
US12320631B2Jun 3, 2025
Measurement apparatus, image capturing apparatus, measurement system, control method, and storage medium
CANON KK0 citations52
US11280606B2Mar 22, 2022
Moving object and ranging apparatus capable of acquiring image and high-accurately measuring distance
CANON KK0 citations52
US10798326B2Oct 6, 2020
Imaging apparatus, signal processing apparatus, and moving body
CANON KK0 citations52
TOPCON CORP
8 patentsUS5936706AAug 10, 1999
Ophthalmic instrument
TOPCON CORP55 citations96
US6164778ADec 26, 2000
Corneal endothelial cell photographing apparatus
TOPCON CORP16 citations84
US6082860AJul 4, 2000
Ophthalmic apparatus
TOPCON CORP12 citations74
US5989195ANov 23, 1999
Noncontact tonometer
TOPCON CORP9 citations74
US5975701ANov 2, 1999
Ophthalmologic apparatus
TOPCON CORP10 citations74
US5727551AMar 17, 1998
Non-contact tonometer
TOPCON CORP16 citations74
US5708494AJan 13, 1998
Ophthalmological instrument
TOPCON CORP12 citations74
US5682224AOct 28, 1997
Ophthalmological instrument with improved alignment mechanism
TOPCON CORP6 citations63
MIXED REALITY SYSTEMS LAB INC
4 patentsUS6239915B1May 29, 2001
Composite display apparatus
MIXED REALITY SYSTEMS LAB INC55 citations93
US6215532B1Apr 10, 2001
Image observing apparatus for observing outside information superposed with a display image
MIXED REALITY SYSTEMS LAB INC28 citations93
US6480337B2Nov 12, 2002
Image display apparatus
MIXED REALITY SYSTEMS LAB INC19 citations84
US6271895B2Aug 7, 2001
Image observing apparatus for observing outside information superposed with a display image
MIXED REALITY SYSTEMS LAB INC11 citations74
TAKAGI AKINARI
2 patentsUS9562993B2Feb 7, 2017
Refractive index distribution structure and manufacturing method of the same, and image display apparatus having the refractive index distribution structure
TAKAGI AKINARI2 citations71
US8817162B2Aug 26, 2014
Solid-state imaging device with optical waveguide and blocking member
TAKAGI AKINARI4 citations71
KATO TARO
1 patentNUMATA AIHIKO
1 patentIKEMOTO KIYOKATSU
1 patentShowing the top 50 of 59 patents by PatentIndex Score.