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Inventor

Ken-ichi Nakahashi

Inventor
Hachiouji, JP

Overview

10→
Patents
1977–1985
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus58%
A61BDiagnosis42%
PatentTitleYear
4,562,344'Automatic focus detecting mechanism for endoscopes'19854,516,840'In-focus detector for a binocular stereomicroscope'19854,509,838'Optical system for retinal cameras'19854,439,023'Optical system for ophthalmological instruments'19844,403,837'Objective for endoscopes'19834,354,734'Objective optical system for endoscopes'19824,340,811'Focusing method and apparatus for use in an optical system'19824,300,812'Optical system for endoscopes'19814,279,476'Objective lens system for microscopes'19814,056,310'Method and device for ophthalmoscopy'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to OLYMPUS OPTICAL CO (10)· patent assignee history
1977–1985Based in Hachiouji, JP· patent location history
1982–1985Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO101977–1985
Locations
LocationPatentsSpan
Hachiouji, JP81977–1985
Hachioji, JP21982–1985