Inventor · disambiguated record
Koji Oka
Also filed as: OKA KOJI
31 granted patents·12 pending applications·495 citations·filing 1997–2022
97Inventor score
Top patents by PatentIndex Score
43 records- 0196US7372002B2Fluid heating device and cleaning device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 13, 2008·68 cites·41 claims
- 0294US6407571B1Voltage detecting circuit for a power systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 18, 2002·85 cites·8 claims
- 0390US7187407B2Control system for image fileRICOH KK·Filed 2003·Granted Mar 6, 2007·63 cites·9 claims
- 0489US8745609B2Imaging systemOKA KOJI·Filed 2010·Granted Jun 3, 2014·9 cites·12 claims
- 0586US6734817B2A/D converter, method of A/D conversion, and signal processing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 11, 2004·46 cites·6 claims
- 0683US10460088B2Electronic device and connection methodOKA KOJI·Filed 2017·Granted Oct 29, 2019·4 cites·11 claims
- 0783US7750939B2Image photographing device and release deviceRICOH KK·Filed 2006·Granted Jul 6, 2010·8 cites·14 claims
- 0881US6310492B1CMOS semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 30, 2001·25 cites·20 claims
- 0980US7920779B2Heat exchanger and washing apparatus comprising the samePANASONIC CORP·Filed 2004·Granted Apr 5, 2011·17 cites·17 claims
- 1080US7019676B2D/A converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 28, 2006·25 cites·19 claims
- 1178US11702836B2Structure for joining column and beam frame and shear wallUNIV TOKYO·Filed 2022·Granted Jul 18, 2023·1 cites·6 claims
- 1277US7706009B2Image printing control apparatus and image printing control methodRICOH KK·Filed 2006·Granted Apr 27, 2010·5 cites·17 claims
- 1375US7952733B2Image transfer system and image transfer methodRICOH CO LTD·Filed 2006·Granted May 31, 2011·4 cites·9 claims
- 1474US10462371B2Imaging apparatus and imaging method for comparing a template image with a monitoring imageOKA KOJI·Filed 2015·Granted Oct 29, 2019·2 cites·15 claims
- 1573US11746521B2Reinforced structure for column and beam frameUNIV TOKYO·Filed 2021·Granted Sep 5, 2023·1 cites·8 claims
- 1673US5970433ALaser obstacle detection method and sensorMITSUI SHIPBUILDING ENG·Filed 1997·Granted Oct 19, 1999·53 cites·20 claims
- 1770US7940121B2Operational amplifier and pipeline AD converterPANASONIC CORP·Filed 2008·Granted May 10, 2011·4 cites·11 claims
- 1869US6498528B2Reference voltage generation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 24, 2002·16 cites·1 claims
- 1967US6700524B2A/D converter for performing pipeline processingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 2, 2004·15 cites·4 claims
- 2065US6866723B2Wet cleaning process and wet cleaning equipmentM FSI LTD·Filed 2001·Granted Mar 15, 2005·14 cites·20 claims
- 2161US6492849B2Supply voltage detection circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 10, 2002·12 cites·9 claims
- 2256US7609194B2Clock signal generating device and analog-digital conversion devicePANASONIC CORP·Filed 2007·Granted Oct 27, 2009·4 cites·5 claims
- 2352US7649487B2A/D converter and A/D conversion methodPANASONIC CORP·Filed 2006·Granted Jan 19, 2010·2 cites·8 claims
- 2450US8004446B2A/D converter and A/D conversion methodPANASONIC CORP·Filed 2008·Granted Aug 23, 2011·2 cites·16 claims
- 2548US6806764B2Reference voltage generation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 19, 2004·5 cites·1 claims
- 2647US7042278B2Voltage reference circuit with reduced power consumptionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 9, 2006·5 cites·6 claims
- 2747US2005012828A1Digital camera, method for controlling digital camera, computer program for controlling a digital camera, signal for controlling digital camera and image playback apparatusRICOH KK·Filed 2004·Application pending·0 cites
- 2846US8350917B2Digital camera, method for sending image data and system for transmitting and receiving image dataRICOH CO LTD·Filed 2003·Granted Jan 8, 2013·0 cites·5 claims
- 2945US8478885B2Image photographic apparatusOKA KOJI·Filed 2006·Granted Jul 2, 2013·0 cites·5 claims
- 3045US2019293661A1Method of predicting responsiveness of wet amd patient to anti-vegf therapySANTEN PHARMACEUTICAL CO LTD·Filed 2017·Application pending·0 cites
- 3145US2002129568A1Brace-type damper mounting structureFiled 2002·Application pending·0 cites
- 3244US2007006110A1Net list conversion method, net list conversion device, still-state leak current detection method, and still-state leak current detection deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3343US7884750B2A/D converter and A/D conversion methodPANASONIC CORP·Filed 2009·Granted Feb 8, 2011·0 cites·5 claims
- 3443US2011175759A1Operational amplifier and pipeline ad converterPANASONIC CORP·Filed 2011·Application pending·0 cites
- 3540US2012212648A1Camera systemOKA KOJI·Filed 2010·Application pending·0 cites
- 3639US2010109763A1Standard voltage generation circuitNAKA JUNICHI·Filed 2010·Application pending·0 cites
- 3738US10122957B2Imaging apparatusOKA KOJI·Filed 2015·Granted Nov 6, 2018·0 cites·16 claims
- 3837US7834701B2Bias circuit and semiconductor integrated circuit including the bias circuitPANASONIC CORP·Filed 2008·Granted Nov 16, 2010·0 cites·10 claims
- 3937US2008157861A1Standard voltage generation circuitNAKA JUNICHI·Filed 2008·Application pending·0 cites
- 4036US2011254125A1Semiconductor integrated circuitNOMASAKI DAISUKE·Filed 2008·Application pending·0 cites
- 4135US2006132225A1Standard voltage generation circuitNAKA JUNICHI·Filed 2005·Application pending·0 cites
- 4234US2004212421A1Standard voltage generation circuitFiled 2004·Application pending·0 cites
- 4333US2011084755A1Analog switchINAGAKI YOSHITSUGU·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koji Oka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →