Inventor · disambiguated record

Fumio Sumiyoshi

Also filed as: SUMIYOSHI FUMIO

1 granted patent·109 citations·filing 1991–1991

53Inventor score
Technology areasE04F
Files withTOSHIBA KK1

Top patents by PatentIndex Score

1 record

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