Inventor · disambiguated record
Masahiro Hirakawa
Also filed as: HIRAKAWA MASAHIRO
2 granted patents·2 pending applications·27 citations·filing 1991–2002
61Inventor score
Top patents by PatentIndex Score
4 records- 0153US5413769AClad fine wire electrode-type activated species-generating apparatusSUMITOMO PRECISION PROD CO·Filed 1991·Granted May 9, 1995·18 cites·4 claims
- 0240US5316639ADielectric material used for an ozone generator and a method of forming a film to the dielectric materialOKAZAKI SACHIKO·Filed 1992·Granted May 31, 1994·9 cites·4 claims
- 0329US2004247983A1Fuel cellFiled 2002·Application pending·0 cites
- 0428US2004234836A1Fuel cellFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →