Inventor · disambiguated record
Katsuhiko Aisu
Also filed as: AISU KATSUHIKO
18 granted patents·2 pending applications·86 citations·filing 1992–2016
91Inventor score
Top patents by PatentIndex Score
20 records- 0192US8531237B2Low-pass filter, constant voltage circuit, and semiconductor integrated circuit including sameAISU KATSUHIKO·Filed 2010·Granted Sep 10, 2013·18 cites·13 claims
- 0282US9749566B2Imaging device and electronic deviceYONEDA KAZUHIRO·Filed 2015·Granted Aug 29, 2017·4 cites·15 claims
- 0380US8378747B2Differential amplifier circuit, operational amplifier including difference amplifier circuit, and voltage regulator circuitRICOH CO LTD·Filed 2011·Granted Feb 19, 2013·8 cites·2 claims
- 0471US9059065B2Method of varying gain of amplifying photoelectric conversion device and variable gain photoelectric conversion deviceNAT INST OF ADVANCED IND SCIEN·Filed 2013·Granted Jun 16, 2015·2 cites·14 claims
- 0570US6278322B1Transconductance amplifier and automatic gain control device using itRICOH KK·Filed 2000·Granted Aug 21, 2001·17 cites·15 claims
- 0667US8969810B2Infrared sensor deviceNAGAHISA TAKESHI·Filed 2013·Granted Mar 3, 2015·2 cites·9 claims
- 0764US10298869B2Photoelectric conversion device and image generation deviceAISU KATSUHIKO·Filed 2016·Granted May 21, 2019·1 cites·9 claims
- 0863US5227793ACurrent mode digital-to-analog converter using complementary devicesRICOH KK·Filed 1992·Granted Jul 13, 1993·24 cites·12 claims
- 0958US9472706B2Image sensor having a plurality of phototransistors separated by trench-gate structures and method of manufacturing the sameSAKURANO KATSUYUKI·Filed 2014·Granted Oct 18, 2016·0 cites·10 claims
- 1058US7671679B2Semiconductor integrated circuit and amplifier for suppressing pop sound while minimizing voltage transition settling timeRICOH KK·Filed 2008·Granted Mar 2, 2010·3 cites·11 claims
- 1157US9571770B2Sense circuit and method of operation thereof and photoelectric conversion array connected to inverting input of sense circuitHAYASHI YUTAKA·Filed 2013·Granted Feb 14, 2017·0 cites·21 claims
- 1256US7382187B2Semiconductor integrated circuit and amplifier for suppressing pop sound while minimizing voltage transition settling timeRICOH KK·Filed 2004·Granted Jun 3, 2008·7 cites·6 claims
- 1354US2015076572A1Semiconductor deviceSAKURANO KATSUYUKI·Filed 2014·Application pending·0 cites
- 1451US9478568B2Photoelectric conversion device having two switch elementsAISU KATSUHIKO·Filed 2014·Granted Oct 25, 2016·0 cites·7 claims
- 1550US9762822B2Imaging device including a phototransistor, method of driving the imaging device, and camera including the imaging deviceNEGORO TAKAAKI·Filed 2014·Granted Sep 12, 2017·0 cites·18 claims
- 1646US9871984B2Imaging device, control method of imaging device, and pixel structureRICOH CO LTD·Filed 2015·Granted Jan 16, 2018·0 cites·14 claims
- 1745US10078010B2Photoelectric conversion device, image generation device, and method of correcting output of photoelectric conversion deviceAISU KATSUHIKO·Filed 2015·Granted Sep 18, 2018·0 cites·12 claims
- 1841US9923019B2Semiconductor device, manufacturing method thereof and imaging apparatusNEGORO TAKAAKI·Filed 2015·Granted Mar 20, 2018·0 cites·18 claims
- 1938US2016247847A1Semiconductor device, imaging apparatus, and method of manufacturing semiconductor deviceUEDA YOSHINORI·Filed 2016·Application pending·0 cites
- 2034US9508871B2Solid-state image sensing device with electrode implanted into deep trenchSAKURANO KATSUYUKI·Filed 2015·Granted Nov 29, 2016·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →