Inventor · disambiguated record
Katsuya Hirano
Also filed as: HIRANO KATSUYA
19 granted patents·3 pending applications·136 citations·filing 2001–2021
93Inventor score
Top patents by PatentIndex Score
22 records- 0192USD598906SWireless communication terminalNEC CORP·Filed 2007·Granted Aug 25, 2009·57 cites·1 claims
- 0285US10932042B2Conversation assist apparatus and conversation assist methodYAMAHA CORP·Filed 2020·Granted Feb 23, 2021·2 cites·3 claims
- 0384US7686973B2Silicon wafer etching method and apparatus, and impurity analysis methodSUMITOMO MITSUBISHI SILICON·Filed 2007·Granted Mar 30, 2010·8 cites·10 claims
- 0481US8502602B2Class-D amplifier circuitHIRANO KATSUYA·Filed 2011·Granted Aug 6, 2013·12 cites·5 claims
- 0576US10812901B2Conversation assist apparatus and conversation assist methodYAMAHA CORP·Filed 2019·Granted Oct 20, 2020·2 cites·3 claims
- 0674US7888265B2Method for assaying copper in silicon wafersSUMCO CORP·Filed 2007·Granted Feb 15, 2011·5 cites·5 claims
- 0769USD595279SWireless communication terminalNEC CORP·Filed 2007·Granted Jun 30, 2009·17 cites·1 claims
- 0862US7419534B2Cooler using filter with dehumidifying functionNEC CORP·Filed 2004·Granted Sep 2, 2008·9 cites·4 claims
- 0961US8575481B2Electronic apparatus storing container and method for assembling electronic apparatus storing containerHASEGAWA MASASHI·Filed 2009·Granted Nov 5, 2013·3 cites·6 claims
- 1056USD595281SWireless communication terminalNEC CORP·Filed 2007·Granted Jun 30, 2009·10 cites·1 claims
- 1154USD595280SWireless communication terminalNEC CORP·Filed 2007·Granted Jun 30, 2009·9 cites·1 claims
- 1251US9841440B2Current detection circuit and magnetic detection device provided with sameYAMAHA CORP·Filed 2014·Granted Dec 12, 2017·0 cites·15 claims
- 1351US2006190349A1Order support system, server, method, and programNEC CORP·Filed 2006·Application pending·0 cites
- 1446US9766436B2Zoom lens having first through fifth lens groups and a specific focal distance ratio among the lens groupsCBC CO LTD·Filed 2013·Granted Sep 19, 2017·0 cites·9 claims
- 1546US6384322B2Hermetic enclosure having air pressure adjustable functionNEC CORP·Filed 2001·Granted May 7, 2002·1 cites·23 claims
- 1644US9364837B2Centrifugal dehydration method and centrifugal dehydration deviceYAMAGUCHI KAORU·Filed 2012·Granted Jun 14, 2016·1 cites·15 claims
- 1742US12353048B2Lens deviceCBC CO LTD·Filed 2019·Granted Jul 8, 2025·0 cites·4 claims
- 1842US2012019210A1Dc power supply system and output control methodWAKAMATSU AKIRA·Filed 2010·Application pending·0 cites
- 1941US9933462B2Current sensor and current measuring deviceYAMAHA CORP·Filed 2015·Granted Apr 3, 2018·0 cites·7 claims
- 2041US2004232111A1Method and apparatus for etching silicon wafer and method for analysis of impuritiesFiled 2002·Application pending·0 cites
- 2140US12375800B2Lens device, lens device embedded system, lens device embedded inspection device, and operation programCBC CO LTD·Filed 2020·Granted Jul 29, 2025·0 cites·16 claims
- 2231US11917382B2In-vehicle acoustic system and vehicle provided with this in-vehicle acoustic systemYAMAHA CORP·Filed 2021·Granted Feb 27, 2024·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →