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Inventor

Ikuhisa Sekizawa

Inventor
Tokyo, JP

Overview

3→
Patents
1987–1991
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television100%
PatentTitleYear
4,992,852'Circuit with a comb filter for causing color difference signals to coincide on each scanning line'19914,750,051'Color difference line sequential circuit in a magnetic recording system'19884,689,662'Method of recording and reproducing line sequential color video signal'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to FUJI PHOTO FILM CO LTD (3)· patent assignee history
1987Based in Kanagawa, JP· patent location history
1988–1991Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD31987–1991
Locations
LocationPatentsSpan
Tokyo, JP21988–1991
Kanagawa, JP11987