Inventor · disambiguated record

Yoichi Yamagiwa

Also filed as: YAMAGIWA YOICHI

1 granted patent·30 citations·filing 1975–1975

46Inventor score
Technology areasC25D
Files withPILOT PEN CO LTD1

Top patents by PatentIndex Score

1 record

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