Assignee
IWAI HIROKI
JP·8 granted patents·38 citations·filing 2009–2011
Top patents by PatentIndex Score
8 records- 0185US8525491B2Vehicle generatorIWAI HIROKI·Filed 2011·Granted Sep 3, 2013·7 cites·10 claims
- 0285US8174171B2Piezoelectric vibrating devices having bisymmetric vibrating arms and supporting arms, and devices comprising sameIWAI HIROKI·Filed 2009·Granted May 8, 2012·15 cites·20 claims
- 0370US8110965B2Piezoelectric devices having improved impact resistanceIWAI HIROKI·Filed 2009·Granted Feb 7, 2012·6 cites·20 claims
- 0466US8120234B2Piezoelectric frames and piezoelectric devices comprising sameIWAI HIROKI·Filed 2009·Granted Feb 21, 2012·5 cites·20 claims
- 0565US8110966B2Piezoelectric frames and piezoelectric devices comprising sameIWAI HIROKI·Filed 2009·Granted Feb 7, 2012·5 cites·19 claims
- 0643US8729780B2Piezoelectric vibrating pieces and corresponding devices exhibiting reduced vibration leakageIWAI HIROKI·Filed 2011·Granted May 20, 2014·0 cites·8 claims
- 0742US8390180B2Surface mounted crystal resonatorIWAI HIROKI·Filed 2010·Granted Mar 5, 2013·0 cites·8 claims
- 0837US8736152B2Piezoelectric vibrating pieces and associated devices exhibiting enhanced electrical fieldIWAI HIROKI·Filed 2011·Granted May 27, 2014·0 cites·19 claims
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