Inventor · disambiguated record
Kenji Shimao
Also filed as: SHIMAO KENJI
12 granted patents·40 citations·filing 2010–2020
88Inventor score
Technology areasH03H
Top patents by PatentIndex Score
12 records- 0184US10263597B2Crystal unitNIHON DEMPA KOGYO CO·Filed 2016·Granted Apr 16, 2019·4 cites·5 claims
- 0283US10659005B2At-cut crystal element, crystal resonator and crystal unitNIHON DEMPA KOGYO CO·Filed 2016·Granted May 19, 2020·4 cites·7 claims
- 0383US8541928B2Quartz-crystal devices exhibiting reduced crystal impedanceSHIMAO KENJI·Filed 2012·Granted Sep 24, 2013·8 cites·20 claims
- 0479US8415858B2Piezoelectric vibrating pieces and devices, and methods for manufacturing sameISHIKAWA MANABU·Filed 2011·Granted Apr 9, 2013·6 cites·6 claims
- 0574US8405286B2Mesa-type at-cut quartz-crystal vibrating piece and the quartz-crystal deviceSHIMAO KENJI·Filed 2011·Granted Mar 26, 2013·4 cites·10 claims
- 0673US10333489B2Crystal unitNIHON DEMPA KOGYO CO·Filed 2016·Granted Jun 25, 2019·2 cites·8 claims
- 0773US8580126B2Piezoelectric vibrating pieces comprising edge mesa steps, and methods for manufacturing sameSASAKI HIROYUKI·Filed 2011·Granted Nov 12, 2013·4 cites·19 claims
- 0873US8519601B2Crystal device and inspection method of crystal deviceSHIMAO KENJI·Filed 2012·Granted Aug 27, 2013·4 cites·8 claims
- 0971US9018826B2Mesa-type quartz-crystal vibrating piece and quartz crystal deviceSASAKI HIROYUKI·Filed 2012·Granted Apr 28, 2015·3 cites·10 claims
- 1056US8525394B2Mesa-type AT-cut quartz-crystal vibrating piece and quartz-crystal deviceISHIKAWA MANABU·Filed 2011·Granted Sep 3, 2013·1 cites·18 claims
- 1145US11824516B2Piezoelectric device and manufacturing method of the sameNIHON DEMPA KOGYO CO·Filed 2020·Granted Nov 21, 2023·0 cites·6 claims
- 1233US8390176B2Stacked crystal resonator and manufacturing method thereofSHIMAO KENJI·Filed 2010·Granted Mar 5, 2013·0 cites·9 claims
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