Assignee
HIRAOKA MASASHI
JP·2 granted patents·30 citations·filing 2010–2010
Top patents by PatentIndex Score
2 records- 0194US8702301B2Timepiece bearing, movement, and portable timepieceHIRAOKA MASASHI·Filed 2010·Granted Apr 22, 2014·18 cites·25 claims
- 0290US8591101B2Escapement governor, mechanical watch, pallet fork (incomplete) manufacturing method, and roller manufacturing methodHIRAOKA MASASHI·Filed 2010·Granted Nov 26, 2013·12 cites·17 claims
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