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Inventor

Chikara Nagano

Inventor
Tokyo, JP

Overview

13→
Patents
1982–1999
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus92%
G01BMeasuring length, thickness or similar linear dimensions8%
PatentTitleYear
5,982,535'Centrifuge microscope capable of realizing polarized light observation'1999RE036299'Optical system for microscopes'19995,751,475'Phase contrast microscope'19985,469,299'Objective lens system'19955,394,271'Optical system for microscopes'19955,191,473'Objectives'19935,146,363'Microscope optical system'19924,971,445'Fine surface profile measuring apparatus'19904,852,985'Illuminating device for microscopes'19894,834,516'Noninverting photo-microscope with variable power lenses'19894,812,039'Schlieren optical device'19894,624,535'Objective lens system for microscopes'19864,322,136'Microscope objective lens system'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1999Patents assigned to OLYMPUS OPTICAL CO (13)· patent assignee history
1982–1995Based in Tokyo, JP· patent location history
1989–1992Based in Hachiouji, JP· patent location history
1995–1999Based in Hachioji, JP· patent location history
1999Patents assigned to HAMAMATSU PHOTONICS KK (1)· patent assignee history
1999Patents assigned to MARINE BIOLOGICAL LAB (1)· patent assignee history
1999Based in Hino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO131982–1999
HAMAMATSU PHOTONICS KK11999
MARINE BIOLOGICAL LAB11999
Locations
LocationPatentsSpan
Tokyo, JP71982–1995
Hachioji, JP31995–1999
Hachiouji, JP21989–1992
Hino, JP11999