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Inventor

Yasuhiro Aono

Inventor
Kawasaki, JP

Overview

7→
Patents
1986–1989
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus100%
PatentTitleYear
4,874,231'Zoom lens'19894,770,511'Zoom lens capable of accomplishing macro-photography'19884,765,722'Zoom lens'19884,699,475'Zoom lens including a wide angle of view'19874,639,094'Gradient index lens system'19874,634,237'Zoom lens'19874,591,244'Zoom lens'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1988Patents assigned to NIPPON KOGAKU KK (6)· patent assignee history
1986–1989Based in Kawasaki, JP· patent location history
1989Patents assigned to NIKON CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOGAKU KK61986–1988
NIKON CORP11989
Locations
LocationPatentsSpan
Kawasaki, JP71986–1989