Inventor · disambiguated record

Ikuhisa Sekizawa

Also filed as: SEKIZAWA IKUHISA

3 granted patents·12 citations·filing 1985–1988

63Inventor score

Technology areasH04N

Files withFUJI PHOTO FILM CO LTD3

Top patents by PatentIndex Score

3 records

0137US4750051AColor difference line sequential circuit in a magnetic recording systemFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jun 7, 1988·6 cites·5 claims
0235US4992852ACircuit with a comb filter for causing color difference signals to coincide on each scanning lineFUJI PHOTO FILM CO LTD·Filed 1988·Granted Feb 12, 1991·5 cites·8 claims
0326US4689662AMethod of recording and reproducing line sequential color video signalFUJI PHOTO FILM CO LTD·Filed 1985·Granted Aug 25, 1987·1 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →