Inventor · disambiguated record
Ikue Kawashima
Also filed as: KAWASHIMA IKUE
30 granted patents·9 pending applications·605 citations·filing 1982–2022
97Inventor score
Top patents by PatentIndex Score
39 records- 0195US7474322B2Image display medium, process for forming image, and multicolor image-forming apparatusRICOH KK·Filed 2006·Granted Jan 6, 2009·7 cites·7 claims
- 0294US7333259B2Multicolor display elementRICOH KK·Filed 2006·Granted Feb 19, 2008·20 cites·12 claims
- 0393US8441713B2Electrophoretic liquid and display device using electrophoretic liquidKAWASHIMA IKUE·Filed 2009·Granted May 14, 2013·37 cites·14 claims
- 0493US7029833B2Image display medium, process for forming image, and multicolor image-forming apparatusRICOH KK·Filed 2003·Granted Apr 18, 2006·14 cites·12 claims
- 0592US5124543ALight emitting element, image sensor and light receiving element with linearly varying waveguide indexRICOH KK·Filed 1990·Granted Jun 23, 1992·97 cites·53 claims
- 0689US7765686B2Multilayer wiring structure and method of manufacturing the sameRICOH KK·Filed 2006·Granted Aug 3, 2010·19 cites·8 claims
- 0789US6163053ASemiconductor device having opposite-polarity region under channelRICOH KK·Filed 1997·Granted Dec 19, 2000·99 cites·5 claims
- 0883US7663797B2Multicolor display elementRICOH KK·Filed 2007·Granted Feb 16, 2010·6 cites·23 claims
- 0982US5991075ALight polarizer and method of producing the light polarizerRICOH KK·Filed 1997·Granted Nov 23, 1999·64 cites·9 claims
- 1078US7768001B2Organic transistor, organic transistor array, and display apparatusRICOH KK·Filed 2008·Granted Aug 3, 2010·5 cites·13 claims
- 1176US7525716B2Display device and display apparatusRICOH KK·Filed 2006·Granted Apr 28, 2009·4 cites·13 claims
- 1276US6480345B2Image magnifying/reducing optical device and manufacturing method thereofRICOH KK·Filed 2001·Granted Nov 12, 2002·11 cites·46 claims
- 1375US6150698ASemiconductor device and method of forming semiconductor device having non-uniformly doped wellRICOH KK·Filed 1998·Granted Nov 21, 2000·37 cites·6 claims
- 1474US10339896B2Head-mounted display apparatus, and display methodUSUI YUUMA·Filed 2016·Granted Jul 2, 2019·2 cites·9 claims
- 1573US6707514B2Optical path element, optical switching element, spatial light modulator and image display apparatusRICOH KK·Filed 2002·Granted Mar 16, 2004·14 cites·15 claims
- 1669US7816672B2Wiring pattern, electronic device, organic semiconductor device, layered wiring pattern, and layered wiring substrate using the wiring patternRICOH KK·Filed 2007·Granted Oct 19, 2010·3 cites·18 claims
- 1766US12300405B2Electronic functional member and strain sensorUNIV TOKYO·Filed 2020·Granted May 13, 2025·0 cites·7 claims
- 1864US5448113AMicro metal-wiring structure having stress induced migration resistanceRICOH KK·Filed 1994·Granted Sep 5, 1995·41 cites·22 claims
- 1961US5589712ASemiconductor integrated circuit device and a method of manufacturing the sameRICOH KK·Filed 1994·Granted Dec 31, 1996·28 cites·14 claims
- 2061US4966821APerpendicular magnetic recording mediumRICOH KK·Filed 1989·Granted Oct 30, 1990·21 cites·2 claims
- 2160US5976971AFabrication process of a semiconductor device having an interconnection structureRICOH KK·Filed 1996·Granted Nov 2, 1999·27 cites·8 claims
- 2257US12333851B2Optical sensorUNIV TOKYO·Filed 2020·Granted Jun 17, 2025·0 cites·19 claims
- 2357US4566453AVascular anastomosis apparatusTOHOKU RIKO KK·Filed 1983·Granted Jan 28, 1986·42 cites·4 claims
- 2454US2024138695A1Skin resistance measurement device, skin responsiveness assessment method, and behavior/emotion determination methodUNIV TOKYO·Filed 2022·Application pending·0 cites
- 2551US7999253B2Organic transistor and active matrix displayRICOH CO LTD·Filed 2007·Granted Aug 16, 2011·0 cites·11 claims
- 2649US11143870B2Display apparatus and display methodRICOH CO LTD·Filed 2018·Granted Oct 12, 2021·0 cites·6 claims
- 2746US2022240826A1Electronic functional member, method for manufacturing same, and biological measurement sensorUNIV TOKYO·Filed 2020·Application pending·0 cites
- 2843US10942354B2Monocular image display deviceRICOH CO LTD·Filed 2017·Granted Mar 9, 2021·0 cites·15 claims
- 2943US2007096088A1Organic transistor and display deviceTANO TAKANORI·Filed 2006·Application pending·0 cites
- 3041US4432622AFocusing-position-detection circuitRICOH KK·Filed 1982·Granted Feb 21, 1984·3 cites·3 claims
- 3141US2004063006A1Optical memory device and process for operating the sameFiled 2003·Application pending·0 cites
- 3241US2014009420A1Information terminal device, method to protect handwritten information, and document management systemARAUMI MAYUKA·Filed 2013·Application pending·0 cites
- 3340US2009050879A1Organic thin film transistor and active matrix displayYAMAGA TAKUMI·Filed 2006·Application pending·0 cites
- 3439US8378785B2Image display device and method for controlling the sameRICOH CO LTD·Filed 2009·Granted Feb 19, 2013·0 cites·6 claims
- 3539US2009189148A1Transistor element, display device and these manufacturing methodsARAUMI MAYUKA·Filed 2006·Application pending·0 cites
- 3638US2013254354A1Electronic information terminal and electronic information systemKAWASHIMA IKUE·Filed 2011·Application pending·0 cites
- 3738US2013305249A1Electronic information terminal and electronic information systemKAWASHIMA IKUE·Filed 2011·Application pending·0 cites
- 3835US10670421B2Apparatus, system, and method of information sharing, and recording mediumGOTOH YUUTO·Filed 2017·Granted Jun 2, 2020·0 cites·18 claims
- 3934US5937327AMethod for improving wiring contact in semiconductor devicesRICOH KK·Filed 1997·Granted Aug 10, 1999·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →