Inventor · disambiguated record
Katsumi Yamada
Also filed as: YAMADA KATSUMI
77 granted patents·21 pending applications·718 citations·filing 1975–2025
99Inventor score
Files withSEIKO EPSON CORP50FUJI ELECTRIC CO LTD11JFE STEEL CORP5TOSHIBA KK5FUJIFILM BUSINESS INNOVATION CORP4
Top patents by PatentIndex Score
98 records- 0196US4968354AThin film solar cell arrayFUJI ELECTRIC CO LTD·Filed 1988·Granted Nov 6, 1990·98 cites·8 claims
- 0295US4999308AMethod of making thin film solar cell arrayFUJI ELECTRIC CO LTD·Filed 1989·Granted Mar 12, 1991·87 cites·2 claims
- 0394US11618269B2Medium-discharging device and recording apparatusSEIKO EPSON CORP·Filed 2021·Granted Apr 4, 2023·2 cites·8 claims
- 0494USD364384SSemi-conductor element with terminal casingFUJI ELECTRIC CO LTD·Filed 1994·Granted Nov 21, 1995·51 cites·1 claims
- 0590US6690087B2Power semiconductor module ceramic substrate with upper and lower plates attached to a metal baseFUJI ELECTRIC CO LTD·Filed 2001·Granted Feb 10, 2004·50 cites·10 claims
- 0689US10686955B2Image reading apparatus with document support portionSEIKO EPSON CORP·Filed 2018·Granted Jun 16, 2020·5 cites·13 claims
- 0789US9278553B2Recording apparatus with medium receiving tray having recess for storing feeding unitSEIKO EPSON CORP·Filed 2013·Granted Mar 8, 2016·7 cites·13 claims
- 0887US2025074080A1Medium-discharging device and recording apparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 0985US10841442B2Recording apparatusSEIKO EPSON CORP·Filed 2019·Granted Nov 17, 2020·3 cites·9 claims
- 1085US9234254B2High-strength seamless steel tube, having excellent resistance to sulfide stress cracking, for oil wells and method for manufacturing the sameEGUCHI KENICHIRO·Filed 2010·Granted Jan 12, 2016·4 cites·10 claims
- 1185US7452119B2Lighting device, liquid crystal display device, and electronic apparatusSEIKO EPSON CORP·Filed 2005·Granted Nov 18, 2008·22 cites·9 claims
- 1284US12172428B2Medium-discharging device and recording apparatusSEIKO EPSON CORP·Filed 2024·Granted Dec 24, 2024·0 cites·9 claims
- 1382US11451681B2Recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Sep 20, 2022·1 cites·20 claims
- 1481US12220920B2Liquid discharge apparatus, waste liquid collecting unit, and waste liquid collecting methodSEIKO EPSON CORP·Filed 2023·Granted Feb 11, 2025·0 cites·14 claims
- 1581US12208619B2Liquid discharge apparatus, waste liquid collecting unit, and waste liquid collecting methodSEIKO EPSON CORP·Filed 2023·Granted Jan 28, 2025·0 cites·15 claims
- 1681US9212411B2High strength steel sheet and method for manufacturing the sameNAKAGAWA KOICHI·Filed 2010·Granted Dec 15, 2015·2 cites·8 claims
- 1781US2025388032A1Medium transport device and printing deviceSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1880US11912016B2Medium-discharging device and recording apparatusSEIKO EPSON CORP·Filed 2023·Granted Feb 27, 2024·0 cites·7 claims
- 1979US10399801B2Medium transport device and image reading apparatusSEIKO EPSON CORP·Filed 2018·Granted Sep 3, 2019·2 cites·20 claims
- 2078US6139650ANon-oriented electromagnetic steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 1998·Granted Oct 31, 2000·26 cites·53 claims
- 2178US2025303759A1Paper feeding unit and printing apparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 2277US12208621B2Liquid discharge apparatus, waste liquid collecting unit, and waste liquid collecting methodSEIKO EPSON CORP·Filed 2023·Granted Jan 28, 2025·0 cites·15 claims
- 2377US12030305B2Recording apparatusSEIKO EPSON CORP·Filed 2023·Granted Jul 9, 2024·0 cites·10 claims
- 2474US11964488B2Liquid discharge apparatus, waste liquid collecting unit, and waste liquid collecting methodSEIKO EPSON CORP·Filed 2021·Granted Apr 23, 2024·0 cites·16 claims
- 2574US11673413B2Recording apparatusSEIKO EPSON CORP·Filed 2022·Granted Jun 13, 2023·0 cites·9 claims
- 2674US10703116B2Recording apparatusSEIKO EPSON CORP·Filed 2018·Granted Jul 7, 2020·1 cites·5 claims
- 2774US7356284B2Image forming deviceFUJI XEROX CO LTD·Filed 2006·Granted Apr 8, 2008·4 cites·20 claims
- 2873US8488335B2Electro-optical device and electronic apparatusYAMADA KATSUMI·Filed 2011·Granted Jul 16, 2013·2 cites·7 claims
- 2973US2025269668A1Recording deviceSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 3072US11613135B2Recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Mar 28, 2023·0 cites·3 claims
- 3171US11845289B2Recording apparatusSEIKO EPSON CORP·Filed 2021·Granted Dec 19, 2023·0 cites·11 claims
- 3271US11312141B2Recording deviceSEIKO EPSON CORP·Filed 2020·Granted Apr 26, 2022·0 cites·7 claims
- 3370US11964490B2Liquid discharge apparatus, waste liquid collecting unit, and waste liquid collecting methodSEIKO EPSON CORP·Filed 2021·Granted Apr 23, 2024·0 cites·15 claims
- 3469US11254151B2Recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Feb 22, 2022·0 cites·10 claims
- 3568US7513959B2Non-oriented electrical steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2003·Granted Apr 7, 2009·5 cites·12 claims
- 3668US6174070B1Portable lighting instrument having a light emitting diode assemblyELNA KABUSHIKI KAISHA·Filed 1999·Granted Jan 16, 2001·51 cites·17 claims
- 3767US10850520B2Recording deviceSEIKO EPSON CORP·Filed 2019·Granted Dec 1, 2020·0 cites·7 claims
- 3866US12441118B2Liquid container and recording deviceSEIKO EPSON CORP·Filed 2023·Granted Oct 14, 2025·0 cites·19 claims
- 3966US11255007B2Amorphous alloy thin stripJFE STEEL CORP·Filed 2017·Granted Feb 22, 2022·0 cites·4 claims
- 4064US11161349B2Recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Nov 2, 2021·0 cites·18 claims
- 4164US4776440AShock absorber with resiliently biased adjustment pistonNISSAN MOTOR·Filed 1985·Granted Oct 11, 1988·23 cites·6 claims
- 4263US12162706B2Medium loading device, recording apparatus, and medium discriminationSEIKO EPSON CORP·Filed 2022·Granted Dec 10, 2024·0 cites·15 claims
- 4363US6074782ALead storage battery containing a negative electrode active substance including a negative electrode additiveAISIN SEIKI·Filed 1997·Granted Jun 13, 2000·31 cites·11 claims
- 4463US5869890AInsulation substrate for a semiconductor deviceFUJI ELECTRIC CO LTD·Filed 1997·Granted Feb 9, 1999·29 cites·13 claims
- 4562US10884354B2Developer supply device and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Jan 5, 2021·0 cites·16 claims
- 4662US5323967ASteam injectorTOSHIBA KK·Filed 1992·Granted Jun 28, 1994·19 cites·6 claims
- 4762US2024385038A1Colorimetry deviceSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 4861US8298827B2Method for analysis of metal inclusions in steels by partial electrolysisISHIDA TOMOHARU·Filed 2008·Granted Oct 30, 2012·2 cites·18 claims
- 4961US7271944B2Electro-optical device and electronic apparatus having the sameEPSON IMAGING DEVICES CORP·Filed 2006·Granted Sep 18, 2007·2 cites·7 claims
- 5060US11610086B2Apparatus for displaying instructions based on an event in a recording apparatusSEIKO EPSON CORP·Filed 2021·Granted Mar 21, 2023·0 cites·8 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →