Inventor · disambiguated record
Keiichi Washizuka
Also filed as: WASHIZUKA KEIICHI
4 granted patents·43 citations·filing 1984–1995
77Inventor score
Top patents by PatentIndex Score
4 records- 0174USD289097SElectric vacuum cleanerTOSHIBA KK·Filed 1984·Granted Mar 31, 1987·15 cites·1 claims
- 0271USD285923SArithmetic operation control machine for electronic computersTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted Sep 30, 1986·13 cites·1 claims
- 0359USD288972SElectric vacuum cleanerTOSHIBA KK·Filed 1984·Granted Mar 24, 1987·8 cites·1 claims
- 0448USD373784SLabel printerKk tec·Filed 1995·Granted Sep 17, 1996·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →