Inventor
OBAMA AKIHIKO
JP48 patents
⚠️ This page may combine multiple inventors who share the name “OBAMA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
39 patentsUS6014266AJan 11, 2000
Zoom lens focusing system and method
NIKON CORP78 citations96
US7706087B2Apr 27, 2010
Optical system and optical apparatus
NIKON CORP24 citations92
US7199940B2Apr 3, 2007
Zoom lens system
NIKON CORP12 citations92
US6870688B2Mar 22, 2005
Zoom lens system
NIKON CORP14 citations84
US10203488B2Feb 12, 2019
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP4 citations83
US7218456B2May 15, 2007
Zoom lens system
NIKON CORP4 citations74
US6771430B2Aug 3, 2004
Zoom lens system
NIKON CORP11 citations74
US5867325AFeb 2, 1999
Zoom lens ranging to wide angles
NIKON CORP7 citations74
US5737129AApr 7, 1998
Wide-angle zoom lens
NIKON CORP10 citations74
US11714268B2Aug 1, 2023
Variable magnification optical system, optical device, and method for manufacturing variable magnification optical system
NIKON CORP2 citations73
US10831007B2Nov 10, 2020
Variable magnification optical system, optical device, and method for producing variable magnification optical system
NIKON CORP1 citations73
US6870687B2Mar 22, 2005
Optical system with wavelength selecting device
NIKON CORP7 citations71
US12298485B2May 13, 2025
Variable magnification optical system, optical device, and method for producing variable magnification optical system
NIKON CORP0 citations63
US11892610B2Feb 6, 2024
Variable magnification optical system, optical device, and method for producing variable magnification optical system
NIKON CORP0 citations63
US6603603B2Aug 5, 2003
Real image viewfinder optical system
NIKON CORP4 citations63
US12072477B2Aug 27, 2024
Variable magnification optical system, optical device, and method for manufacturing variable magnification optical system
NIKON CORP0 citations62
US11579421B2Feb 14, 2023
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP0 citations62
US11385446B2Jul 12, 2022
Zoom optical system, optical device and method for manufacturing the zoom optical system
NIKON CORP0 citations62
US11294155B2Apr 5, 2022
Variable magnification optical system, optical device, and method for manufacturing variable magnification optical system
NIKON CORP0 citations62
US10948700B2Mar 16, 2021
Variable magnification optical system, optical device, and method for producing variable magnification optical system
NIKON CORP0 citations62
US10895721B2Jan 19, 2021
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP0 citations62
US10317654B2Jun 11, 2019
Variable magnification optical system, optical apparatus, and variable magnification optical system manufacturing method
NIKON CORP1 citations62
US7826143B2Nov 2, 2010
Optical system with wavelength selecting device
NIKON CORP1 citations61
US11653096B2May 16, 2023
Calculation device, interchangeable lens, camera body, and imaging device
NIKON CORP0 citations60
US10451858B2Oct 22, 2019
Zoom optical system, optical device and method for manufacturing the zoom optical system
NIKON CORP0 citations52
US10185130B2Jan 22, 2019
Variable magnification optical system, optical device, and method for manufacturing variable magnification optical system
NIKON CORP0 citations52
US10168512B2Jan 1, 2019
Variable magnification optical system, optical device, and production method for variable magnification optical system
NIKON CORP0 citations52
US9989744B2Jun 5, 2018
Variable magnification optical system, optical device, and method for producing variable magnification optical system
NIKON CORP0 citations52
US9709779B2Jul 18, 2017
Variable magnification optical system, optical device, and method for producing variable magnification
NIKON CORP0 citations52
US8934182B2Jan 13, 2015
Lens system and optical apparatus
NIKON CORP1 citations52
US7502173B2Mar 10, 2009
Zoom lens system
NIKON CORP0 citations52
US9513471B2Dec 6, 2016
Zoom lens system, optical apparatus and method for manufacturing zoom lens system
NIKON CORP0 citations51
US9684154B2Jun 20, 2017
Zooming optical system, optical apparatus and method for manufacturing zooming optical system
NIKON CORP0 citations42
US10831005B2Nov 10, 2020
Variable magnification optical system, optical apparatus, and variable magnification optical system manufacturing method
NIKON CORP0 citations41
US10234663B2Mar 19, 2019
Variable power optical system, optical device, and method of manufacturing variable power optical system
NIKON CORP0 citations41
US10126535B2Nov 13, 2018
Variable magnification optical system, optical device, and production method for variable magnification optical system
NIKON CORP0 citations41
US9983391B2May 29, 2018
Variable power optical assembly, optical device, and variable power optical assembly fabrication method
NIKON CORP0 citations41
US9453993B2Sep 27, 2016
Variable magnification optical system, optical device, and production method for variable magnification optical system
NIKON CORP0 citations41
US10466453B2Nov 5, 2019
Optical system and optical device provided therewith
NIKON CORP0 citations40
OBAMA AKIHIKO
4 patentsUS8837910B2Sep 16, 2014
Image processing program, image processing device and image processing method
OBAMA AKIHIKO4 citations72
US8498065B2Jul 30, 2013
Lens system and optical apparatus
OBAMA AKIHIKO5 citations72
US9523843B2Dec 20, 2016
Zoom lens, optical apparatus, and method for manufacturing zoom lens
OBAMA AKIHIKO1 citations60
US8913327B2Dec 16, 2014
Zoom lens system, optical apparatus and method for manufacturing zoom lens system
OBAMA AKIHIKO1 citations50