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Inventor

Keiichi Kuba

Inventor
Hachioji, JP

Overview

15→
Patents
1992–2013
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus67%
H04NPictorial communication, e.g. television14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
PatentTitleYear
8,564,756'Optical system and image pick-up device provided with the same'20137,509,046'Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex camera'20097,123,425'Light path reflecting optical system and apparatus provided with the same'20067,085,072'Optical path bending optical system and electronic apparatus using the same'20067,079,328'Path-bending zoom optical system'20067,042,651'Vari-focal optical system'20066,795,223'Scanning optical system'20045,909,325'Image display apparatus'19995,812,100'Image display apparatus'19985,805,341'Head or face mounted image display apparatus'19985,661,604'Image display apparatus'19975,623,365'Diffractive optical element for use within a projection lens system'19975,572,343'Visual display having see-through function and stacked liquid crystal shutters of opposite viewing angle directions'19965,467,205'Image display system with right and left eye illuminating means'19955,170,207'Projection lens system'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1999Patents assigned to OLYMPUS OPTICAL CO (8)· patent assignee history
1992–2006Based in Hachioji, JP· patent location history
1996Based in Tokyo, JP· patent location history
1997Based in Hachiojo, JP· patent location history
2004–2013Patents assigned to OLYMPUS CORP (6)· patent assignee history
2006–2013Based in Koganei, JP· patent location history
2006Based in Hachiohji, JP· patent location history
2009Patents assigned to OLYMPUS IMAGING CORP (1)· patent assignee history
2013Patents assigned to KUBA KEIICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO81992–1999
OLYMPUS CORP62004–2013
KUBA KEIICHIself12013
OLYMPUS IMAGING CORP12009
Locations
LocationPatentsSpan
Hachioji, JP81992–2006
Koganei, JP42006–2013
Hachiohji, JP12006
Hachiojo, JP11997
Tokyo, JP11996