Inventor · disambiguated record

Ryuichi Maruka

Also filed as: MARUKA RYUICHI

1 granted patent·17 citations·filing 1974–1974

38Inventor score

Technology areasG02F

Files withCITIZEN WATCH CO LTD1

Top patents by PatentIndex Score

1 record

0169US3961840ADriving circuit for liquid-crystal displayCITIZEN WATCH CO LTD·Filed 1974·Granted Jun 8, 1976·17 cites·8 claims

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