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Inventor

Norihiko Aoki

Inventor
Tokyo, JP

Overview

30→
Patents
1989–2004
Patent span
Physics
Primary field (CPC G)

Patents· 30 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus88%
H04NPictorial communication, e.g. television9%
A61BDiagnosis3%
PatentTitleYear
6,704,052'Image pickup optical system comprising a prism fixing member for preventing a deterioration in the capability of correcting decentration abberation, and apparatus therefore'20046,327,094'High-performance and compact image-forming optical system using prism elements'20016,178,052'Finder optical system'20016,094,315'Image-forming optical system'20006,084,715'Image-forming optical system and apparatus using the same'20006,078,411'Real-image finder optical system and apparatus using the same'20006,041,193'Real-image zoom finder with rotationally asymmetric surface'20005,889,621'Optical low pass filter'19995,786,945'Zoom lens system'19985,703,723'Optical system comprising graded refractive index lens element'19975,610,766'Zooming lens system'19975,559,638'Wide-angle lens system #6'19965,546,229'Optical system comprising graded refractive index lens element'19965,523,885'Viewfinder optical system'19965,361,167'Vari-focal lens system'19945,313,328'Optical system comprising graded refractive index lens element'19945,272,566'Varifocal lens system'19935,196,962'Vari-focal lens system'19935,184,251'Vari-focal lens system'19935,172,272'Imaging lens system'19925,157,550'Vari-focal lens system'19925,117,309'Vari-focal lens system having graded refractive index lens'19925,117,308'Lens system using unhomogenous media'19925,032,012'Rear converter lens system'19915,029,994'Large-aperture quasi-telephoto lens system'19914,999,007'Vari-focal lens system'19914,998,807'Variable focal length lens system'19914,906,079'Zoom lens system'19904,883,346'Zoom lens system'19894,830,476'Compact zoom lens system'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2001Patents assigned to OLYMPUS OPTICAL CO (29)· patent assignee history
1989–1997Based in Tokyo, JP· patent location history
1996–1997Based in Hachioji, JP· patent location history
1998–2001Based in Sagamihara, JP· patent location history
2000–2004Based in Iino-machi, JP· patent location history
2000Based in Fukushima, JP· patent location history
2004Patents assigned to OLYMPUS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO291989–2001
OLYMPUS CORP12004
Locations
LocationPatentsSpan
Tokyo, JP191989–1997
Iino-machi, JP52000–2004
Sagamihara, JP31998–2001
Hachioji, JP21996–1997
Fukushima, JP12000