Inventor
AOKI NORIHIKO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “AOKI NORIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
29 patentsUS6327094B1Dec 4, 2001
High-performance and compact image-forming optical system using prism elements
OLYMPUS OPTICAL CO88 citations98
US6084715AJul 4, 2000
Image-forming optical system and apparatus using the same
OLYMPUS OPTICAL CO94 citations98
US5157550AOct 20, 1992
Vari-focal lens system
OLYMPUS OPTICAL CO61 citations96
US4999007AMar 12, 1991
Vari-focal lens system
OLYMPUS OPTICAL CO72 citations94
US6178052B1Jan 23, 2001
Finder optical system
OLYMPUS OPTICAL CO26 citations93
US5184251AFeb 2, 1993
Vari-focal lens system
OLYMPUS OPTICAL CO27 citations93
US6094315AJul 25, 2000
Image-forming optical system
OLYMPUS OPTICAL CO21 citations92
US6078411AJun 20, 2000
Real-image finder optical system and apparatus using the same
OLYMPUS OPTICAL CO40 citations92
US6041193AMar 21, 2000
Real-image zoom finder with rotationally asymmetric surface
OLYMPUS OPTICAL CO46 citations92
US5610766AMar 11, 1997
Zooming lens system
OLYMPUS OPTICAL CO31 citations92
US5559638ASep 24, 1996
Wide-angle lens system #6
OLYMPUS OPTICAL CO41 citations92
US5172272ADec 15, 1992
Imaging lens system
OLYMPUS OPTICAL CO47 citations92
US4998807AMar 12, 1991
Variable focal length lens system
OLYMPUS OPTICAL CO45 citations92
US4830476AMay 16, 1989
Compact zoom lens system
OLYMPUS OPTICAL CO34 citations92
US5786945AJul 28, 1998
Zoom lens system
OLYMPUS OPTICAL CO9 citations74
US5546229AAug 13, 1996
Optical system comprising graded refractive index lens element
OLYMPUS OPTICAL CO5 citations74
US5361167ANov 1, 1994
Vari-focal lens system
OLYMPUS OPTICAL CO7 citations74
US5313328AMay 17, 1994
Optical system comprising graded refractive index lens element
OLYMPUS OPTICAL CO6 citations74
US5272566ADec 21, 1993
Varifocal lens system
OLYMPUS OPTICAL CO18 citations74
US5196962AMar 23, 1993
Vari-focal lens system
OLYMPUS OPTICAL CO11 citations74
US5117309AMay 26, 1992
Vari-focal lens system having graded refractive index lens
OLYMPUS OPTICAL CO14 citations74
US5029994AJul 9, 1991
Large-aperture quasi-telephoto lens system
OLYMPUS OPTICAL CO18 citations74
US4883346ANov 28, 1989
Zoom lens system
OLYMPUS OPTICAL CO13 citations74
US5117308AMay 26, 1992
Lens system using unhomogenous media
OLYMPUS OPTICAL CO12 citations73
US4906079AMar 6, 1990
Zoom lens system
OLYMPUS OPTICAL CO12 citations72
US5889621AMar 30, 1999
Optical low pass filter
OLYMPUS OPTICAL CO2 citations63
US5703723ADec 30, 1997
Optical system comprising graded refractive index lens element
OLYMPUS OPTICAL CO2 citations63
US5523885AJun 4, 1996
Viewfinder optical system
OLYMPUS OPTICAL CO5 citations63
US5032012AJul 16, 1991
Rear converter lens system
OLYMPUS OPTICAL CO3 citations63