Inventor · disambiguated record
Ritsuo Shigeoka
Also filed as: SHIGEOKA RITSUO
2 granted patents·53 citations·filing 1978–1980
64Inventor score
Files withNIPPON SUISAN KAISHA LTD2
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →