Assignee
JAPAN RADIO UEDA CO LTD
JP·5 granted patents·52 citations·filing 1999–2018
Top patents by PatentIndex Score
5 records- 0171US6111339APorous piezoelectric ceramic sheet and piezoelectric transducerJAPAN RADIO UEDA CO LTD·Filed 1999·Granted Aug 29, 2000·45 cites·10 claims
- 0270US11054397B2Propagation time measurement machine, gas concentration measurement device, propagation time measurement program, and propagation time measurement methodJAPAN RADIO UEDA CO LTD·Filed 2018·Granted Jul 6, 2021·2 cites·7 claims
- 0369US11499939B2Ultrasonic wave transmitter, propagation time measurement device, gas concentration measurement device, propagation time measurement program, and propagation time measurement methodJAPAN RADIO UEDA CO LTD·Filed 2018·Granted Nov 15, 2022·1 cites·13 claims
- 0456US7969068B2Ultrasonic transducer with a retracted portion on a side surface of the piezoelectric layerJAPAN RADIO UEDA CO LTD·Filed 2008·Granted Jun 28, 2011·4 cites·4 claims
- 0545US11525812B2Gas concentration measuring device and method of calibrating sameJAPAN RADIO UEDA CO LTD·Filed 2017·Granted Dec 13, 2022·0 cites·9 claims
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