Inventor · disambiguated record
Seizo Washizuka
Also filed as: WASHIZUKA SEIZO
1 granted patent·7 citations·filing 1991–1991
28Inventor score
Technology areasB21C
Files withGIKEN KABUSHIKI KAISHA1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →