Inventor · disambiguated record
Shoichi Koyama
Also filed as: KOYAMA SHOICHI
33 granted patents·5 pending applications·335 citations·filing 1982–2020
96Inventor score
Top patents by PatentIndex Score
38 records- 0195US6331063B1LED luminaire with light control meansMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Dec 18, 2001·218 cites·13 claims
- 0288US8861999B2Recording-material identifying apparatus and image forming apparatusISHIDA TSUTOMU·Filed 2011·Granted Oct 14, 2014·4 cites·14 claims
- 0387US8875581B2Ultrasonic wave control device and recording material determining deviceNAKAMURA TOMOHARU·Filed 2010·Granted Nov 4, 2014·6 cites·27 claims
- 0487US7095964B2Image forming apparatus determining an indicating level of a utilized amount of a developing apparatus and a control method thereofCANON KK·Filed 2003·Granted Aug 22, 2006·29 cites·11 claims
- 0586US11203496B2Image forming apparatusCANON KK·Filed 2019·Granted Dec 21, 2021·3 cites·12 claims
- 0682US8582116B2Recording sheet surface detection apparatus and image forming apparatusEBIHARA SHUN-ICHI·Filed 2010·Granted Nov 12, 2013·3 cites·19 claims
- 0778US8335443B2Recording medium imaging device and image forming apparatusKOYAMA SHOICHI·Filed 2010·Granted Dec 18, 2012·3 cites·18 claims
- 0874US8582990B2Recording-medium imaging device and image forming apparatusISHIDA TSUTOMU·Filed 2010·Granted Nov 12, 2013·2 cites·47 claims
- 0973US9058000B2Recording material determination device and image forming apparatusEBIHARA SHUN-ICHI·Filed 2011·Granted Jun 16, 2015·2 cites·15 claims
- 1072US10067016B2Torque detecting apparatus and method for manufacturing the sameJTEKT CORP·Filed 2017·Granted Sep 4, 2018·3 cites·8 claims
- 1171US10166705B2Method of manufacturing housing structure and housing structureJTEKT CORP·Filed 2017·Granted Jan 1, 2019·1 cites·8 claims
- 1270US9319645B2Encoding method, decoding method, encoding device, decoding device, and recording medium for a plurality of samplesFUKUI MASAHIRO·Filed 2011·Granted Apr 19, 2016·2 cites·12 claims
- 1370US9164456B2Image forming apparatusCANON KK·Filed 2014·Granted Oct 20, 2015·1 cites·14 claims
- 1470US5923939AImage forming apparatus employing intermediary transfer memberCANON KK·Filed 1997·Granted Jul 13, 1999·21 cites·15 claims
- 1569US8626013B2Recording material detection apparatus and image forming apparatusMATSUI NORIO·Filed 2011·Granted Jan 7, 2014·2 cites·8 claims
- 1668US7196804B2Image processing apparatus and method, and storage medium used therewithCANON KK·Filed 2000·Granted Mar 27, 2007·8 cites·16 claims
- 1762US9201372B2Recording-material identifying apparatus and image forming apparatusCANON KK·Filed 2014·Granted Dec 1, 2015·0 cites·24 claims
- 1862US8918000B2Recording material detection apparatus and image forming apparatusCANON KK·Filed 2013·Granted Dec 23, 2014·0 cites·18 claims
- 1961US12021424B2Coil, and stator, rotor, and motor equipped with same, and manufacturing method for coilPANASONIC IP MAN CO LTD·Filed 2020·Granted Jun 25, 2024·0 cites·16 claims
- 2061US9186906B2Recording-medium imaging device and image forming apparatusCANON KK·Filed 2014·Granted Nov 17, 2015·0 cites·50 claims
- 2160US8908193B2Recording sheet surface detection apparatus and image forming apparatusCANON KK·Filed 2013·Granted Dec 9, 2014·0 cites·18 claims
- 2259US8971738B2Recording medium imaging device and image forming apparatusCANON KK·Filed 2012·Granted Mar 3, 2015·0 cites·26 claims
- 2358US8798489B2Recording-medium imaging device and image forming apparatusCANON KK·Filed 2013·Granted Aug 5, 2014·0 cites·37 claims
- 2457US10274881B2Image forming apparatus including paper dust collecting and optical detectionCANON KK·Filed 2018·Granted Apr 30, 2019·0 cites·13 claims
- 2557US9098042B2Recording material detection apparatus and image forming apparatusCANON KK·Filed 2014·Granted Aug 4, 2015·0 cites·12 claims
- 2656US10698352B2Fixing apparatusCANON KK·Filed 2019·Granted Jun 30, 2020·0 cites·7 claims
- 2755US10269363B2Coding method, decoding method, apparatus, program, and recording mediumFUKUI MASAHIRO·Filed 2011·Granted Apr 23, 2019·1 cites·30 claims
- 2850US4514776AMagnetic head and method of manufacturing the sameALPS ELECTRIC CO LTD·Filed 1982·Granted Apr 30, 1985·6 cites·10 claims
- 2945US2013041602A1Recording material determination device for determining whether recording materials are doubly fedCANON KK·Filed 2012·Application pending·0 cites
- 3041US2013114733A1Encoding method, decoding method, device, program, and recording mediumFUKUI MASAHIRO·Filed 2011·Application pending·0 cites
- 3141US2013101028A1Encoding method, decoding method, device, program, and recording mediumFUKUI MASAHIRO·Filed 2011·Application pending·0 cites
- 3240US8711012B2Encoding method, decoding method, encoding device, decoding device, program, and recording mediumFUKUI MASAHIRO·Filed 2011·Granted Apr 29, 2014·0 cites·18 claims
- 3340US7236846B1Product quality information control method and display system for such informationHONDA MOTOR CO LTD·Filed 1999·Granted Jun 26, 2007·12 cites·4 claims
- 3438US6173138B1Developing apparatus and image forming apparatusCANON KK·Filed 1999·Granted Jan 9, 2001·4 cites·24 claims
- 3536US2002006040A1Led luminaire with light control meansFiled 2001·Application pending·0 cites
- 3635US4809112ABack core holding clip disposed on interior side of back coreALPS ELECTRIC CO LTD·Filed 1987·Granted Feb 28, 1989·3 cites·3 claims
- 3735US2003006488A1Lead frame and manufacturing method of the sameFiled 2002·Application pending·0 cites
- 3821US4769728AMagnetic head having ceramic coupling bodyALPS ELECTRIC CO LTD·Filed 1987·Granted Sep 6, 1988·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →