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Inventor

Takashi Aoba

Inventor
Ageo, JP

Overview

5→
Patents
1984–1992
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them36%
H04NPictorial communication, e.g. television18%
C04BLime, magnesia9%
F01LCyclically operating valves for machines or engines9%
F02BInternal-combustion piston engines9%
G02BOptical elements, systems or apparatus9%
G09FDisplaying9%
PatentTitleYear
5,101,779'Ceramic link'19924,538,216'Lighting apparatus'19854,502,755'Rear projection screen'19854,443,814'Rear projection apparatus'19844,431,266'Optical refractor for diffusing light'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (4)· patent assignee history
1984–1992Based in Ageo, JP· patent location history
1992Patents assigned to CUMMINS ENGINE CO INC (1)· patent assignee history
1992Patents assigned to TOSHIBA CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO SHIBAURA ELECTRIC CO41984–1985
CUMMINS ENGINE CO INC11992
TOSHIBA CORP11992
Locations
LocationPatentsSpan
Ageo, JP51984–1992