Inventor · disambiguated record
Yoshio Hirakawa
Also filed as: HIRAKAWA YOSHIO
4 granted patents·45 citations·filing 1999–2001
75Inventor score
Top patents by PatentIndex Score
4 records- 0182US6338894B1Coated cemented carbide cutting tool member and process for producing the sameMITSUBISHI MATERIALS CORP·Filed 2000·Granted Jan 15, 2002·29 cites·8 claims
- 0250US6638571B2Coated cemented carbide cutting tool member and process for producing the sameMITSUBISHI MATERIALS CORP·Filed 2001·Granted Oct 28, 2003·1 cites·20 claims
- 0343US6450574B1Vehicle seat with occupant protection devicesFUJI HEAVY IND LTD·Filed 2001·Granted Sep 17, 2002·7 cites·11 claims
- 0428US6497455B1Vehicle seat with occupant protection devicesFUJI HEAVY IND LTD·Filed 1999·Granted Dec 24, 2002·8 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →