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

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