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Inventor

Masakazu Tomatsuri

Inventor
Naka, JP

Overview

6→
Patents
1977–1984
Patent span
LOC
Primary field

Patents· 6 as inventor

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

LOCD1primary
LOCD150%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them33%
LOCD017%
PatentTitleYear
D0272916'Monocular'1984D0270166'Binoculars'19834,367,028'Camera with protective cover'19834,313,660'Release device for a camera'1982D0247066'Case for binoculars'1978D0246653'Binoculars'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to NIPPON KOGAKU KK (6)· patent assignee history
1977–1982Based in Tokyo, JP· patent location history
1983–1984Based in Naka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOGAKU KK61977–1984
Locations
LocationPatentsSpan
Naka, JP31983–1984
Tokyo, JP31977–1982