Assignee
ICHIKAWA RYOICHI
JP·9 granted patents·2 pending applications·62 citations·filing 2009–2012
Top patents by PatentIndex Score
11 records- 0192US8618721B2Method of manufacturing the piezoelectric device and the sameICHIKAWA RYOICHI·Filed 2011·Granted Dec 31, 2013·23 cites·3 claims
- 0283US8531092B2Surface-mountable piezoelectric devices including eutectic-bonded packagesICHIKAWA RYOICHI·Filed 2011·Granted Sep 10, 2013·8 cites·21 claims
- 0379US8278798B2Crystal deviceICHIKAWA RYOICHI·Filed 2010·Granted Oct 2, 2012·5 cites·7 claims
- 0476US8093787B2Tuning-fork-type piezoelectric vibrating piece with root portions having tapered surfaces in the thickness directionICHIKAWA RYOICHI·Filed 2009·Granted Jan 10, 2012·8 cites·2 claims
- 0575US8303755B2Manufacturing methods of piezoelectric devicesICHIKAWA RYOICHI·Filed 2009·Granted Nov 6, 2012·6 cites·6 claims
- 0672US8154178B2Piezoelectric frame surrounding a piezoelectric vibrating piece and package with exhaust channelICHIKAWA RYOICHI·Filed 2009·Granted Apr 10, 2012·7 cites·20 claims
- 0762US8823247B2Piezoelectric vibrating devices including respective packages in which castellations include respective connecting electrodesICHIKAWA RYOICHI·Filed 2011·Granted Sep 2, 2014·2 cites·1 claims
- 0856US8549717B2Methods for manufacturing piezoelectric devicesICHIKAWA RYOICHI·Filed 2011·Granted Oct 8, 2013·1 cites·11 claims
- 0955US8405284B2Impact-resistant piezoelectric devicesICHIKAWA RYOICHI·Filed 2009·Granted Mar 26, 2013·2 cites·20 claims
- 1041US2012306320A1Piezoelectric device and manufacturing method thereofICHIKAWA RYOICHI·Filed 2012·Application pending·0 cites
- 1136US2012068579A1Method for Manufacturing a Piezoelectric Device and the SameICHIKAWA RYOICHI·Filed 2011·Application pending·0 cites
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