Inventor · disambiguated record
Yoshiaki Hirakawa
Also filed as: HIRAKAWA YOSHIAKI
3 granted patents·21 citations·filing 2003–2006
67Inventor score
Top patents by PatentIndex Score
3 records- 0161US7555973B2Automatic latheCITIZEN HOLDINGS CO LTD·Filed 2003·Granted Jul 7, 2009·8 cites·11 claims
- 0256US7827925B2Apparatus and method for drop-down/lift-up boat mounted on marine vesselNAT UNIV CORP YOKOHAMA NAT UNI·Filed 2006·Granted Nov 9, 2010·5 cites·14 claims
- 0355US7464628B2Automatic latheCITIZEN HOLDINGS CO LTD·Filed 2003·Granted Dec 16, 2008·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →