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Inventor

Tomihiko Aoyama

Inventor
Chiba, JP

Overview

4→
Patents
1993–1997
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus40%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them40%
G01SRadio direction-finding20%
PatentTitleYear
5,614,984'Distance measuring device'19975,371,691'Device for correcting characteristic errors of a camera'19945,291,237'Flash synchronizing device'19945,258,800'Distance measuring device and camera having same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1997Patents assigned to SEIKOSHA KK (4)· patent assignee history
1993–1997Based in Chiba, JP· patent location history
1994Based in Yotsukaido, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKOSHA KK41993–1997
Locations
LocationPatentsSpan
Chiba, JP21993–1997
Yotsukaido, JP21994