Inventor

Tohru Shikano

Inventor

Tokyo, JP

Overview

1984–1988

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television100%

PatentTitleYear

4,717,960'Automatic diaphragm control device of variable photometry type used in objective for television camera'1988 4,562,476'Automatic diaphragm control device for use IWT CCTV camera'1985 4,562,477'Automatic diaphragm control device for use with CCTV camera'1985 4,547,808'Photometric circuit incorporated in objective provided with automatic diaphragm for closed circuit television (CCTV) camera'1985 4,542,410'Automatic diaphragm control device of objective provided with automatic diaphragm for closed circuit television (CCTV) camera'1985 4,453,185'Automatic diaphragm control device for a closed circuit television camera'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1988Patents assigned to ASAHI SEIMITSU KK (6)· patent assignee history

1984–1988Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI SEIMITSU KK	6	1984–1988

Locations

Location	Patents	Span
Tokyo, JP	6	1984–1988