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Inventor

Toshiyuki Nagaoka

Inventor
Akishima, JP

Overview

29→
Patents
1997–2013
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus72%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
A61BDiagnosis6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H04MTelephonic communication6%
G11BInformation storage based on relative movement between record carrier and transducer3%
PatentTitleYear
8,427,570'Focus position control apparatus and camera'20137,801,439'Image taking device having a detachable optical unit, an attachment and displacement detection unit, and a control unit responsive to attachment and displacement detection'20107,604,423'Interchangeable-lens camera'20097,599,268'Optical disc recording/reproducing apparatus'20097,054,075'Optical apparatus'20067,043,153'Image capturing unit and image capturing device'20067,009,787'Portable image display'20066,987,620'Light weight head mounted image display device'20066,980,375'Objective lens system'20056,934,090'Variable optical element, optical unit, and image capturing device'20056,791,773'Portable image display'20046,697,200'Light weight head mounted image display device'20046,618,209'Optical apparatus'20036,519,098'Objective lens system'20036,317,270'Optical system'20016,256,155'Objective optical system'20016,252,723'Objective optical system'20016,243,217'Objective lens system'20016,163,410'Optical system'20006,160,669'Lens system'20005,999,327'Objective lens system'19995,995,295'Lens system'19995,973,850'Lens system'19995,966,245'Zoom lens system'19995,841,586'Optical system'19985,805,345'Image transmission optical system'19985,729,389'Objective lens system for microscopes'19985,719,708'Zoom lens system'19985,627,682'Zoom lens system'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2004Patents assigned to OLYMPUS OPTICAL CO (18)· patent assignee history
1997–2013Based in Tokyo, JP· patent location history
1998–2010Based in Akishima, JP· patent location history
1998Based in Akigawa, JP· patent location history
2001Based in Hachioji, JP· patent location history
2004–2013Patents assigned to OLYMPUS CORP (10)· patent assignee history
2009Patents assigned to FUNAI ELECTRIC CO (1)· patent assignee history
2009Based in Daito, JP· patent location history
2013Patents assigned to ADACHI KANATO (1)· patent assignee history
2013Patents assigned to NAGAOKA TOSHIYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO181997–2004
OLYMPUS CORP102004–2013
ADACHI KANATO12013
FUNAI ELECTRIC CO12009
NAGAOKA TOSHIYUKIself12013
Locations
LocationPatentsSpan
Akishima, JP201998–2010
Tokyo, JP61997–2013
Daito, JP12009
Hachioji, JP12001
Akigawa, JP11998