Inventor · disambiguated record
Shigeru Tsukada
Also filed as: TSUKADA SHIGERU
20 granted patents·6 pending applications·90 citations·filing 1987–2023
92Inventor score
Files withFUJI XEROX CO LTD14FUJIFILM BUSINESS INNOVATION CORP4FUJITSU LTD4AOKI MATSUYUKI1HIRASHIMA NOBUYUKI1
Top patents by PatentIndex Score
26 records- 0185US7366430B2Rotary-type developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2006·Granted Apr 29, 2008·9 cites·9 claims
- 0281US5991558AImage forming apparatus that control the reflected light detected by an optical scanner in response to a gradation area percentage of a toner patchFUJI XEROX CO LTD·Filed 1998·Granted Nov 23, 1999·40 cites·27 claims
- 0373US4892371ASemiconductor laser array light source and scannerFUJI XEROX CO LTD·Filed 1987·Granted Jan 9, 1990·19 cites·17 claims
- 0468US7536116B2Image forming apparatus with a plurality of development devicesFUJI XEROX CO LTD·Filed 2006·Granted May 19, 2009·3 cites·12 claims
- 0566US7389059B2Image forming apparatus having a toner concentration sensorFUJI XEROX CO LTD·Filed 2006·Granted Jun 17, 2008·2 cites·2 claims
- 0664US10710768B2PalletFUJI XEROX CO LTD·Filed 2018·Granted Jul 14, 2020·1 cites·18 claims
- 0763US9037030B2Power control system and power control methodFUJI XEROX CO LTD·Filed 2013·Granted May 19, 2015·1 cites·14 claims
- 0861US11878837B2Supporter surface having platesFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jan 23, 2024·0 cites·20 claims
- 0960US7983578B2Image forming device with a manual darkness adjusting sectionFUJI XEROX CO LTD·Filed 2005·Granted Jul 19, 2011·2 cites·8 claims
- 1057US8370682B2Virtual tape system take-over-controlled by standby server computerFUJITSU LTD·Filed 2008·Granted Feb 5, 2013·1 cites·12 claims
- 1156US11999527B2Supporter and carrierFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jun 4, 2024·0 cites·12 claims
- 1256US7400838B2Image forming apparatus with toner concentration detection unitFUJI XEROX CO LTD·Filed 2006·Granted Jul 15, 2008·1 cites·7 claims
- 1355US8447201B2Image forming apparatus for controlling image densityAOKI MATSUYUKI·Filed 2009·Granted May 21, 2013·2 cites·5 claims
- 1452US7751731B2Image forming apparatus having a toner concentration sensorFUJI XEROX CO LTD·Filed 2009·Granted Jul 6, 2010·0 cites·15 claims
- 1550US7539426B2Image forming apparatus having a toner concentration sensorFUJI XEROX CO LTD·Filed 2008·Granted May 26, 2009·0 cites·6 claims
- 1648US4958239AMethod of gradation and selection of micro picture elements therefor in a picture displayFUJI XEROX CO LTD·Filed 1989·Granted Sep 18, 1990·9 cites·2 claims
- 1748US2015154155A1Information processing apparatus and information processing methodFUJITSU LTD·Filed 2014·Application pending·0 cites
- 1847US2024101310A1Fixing memberFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 1946US2013276677A1Loading structureFUJI XEROX CO LTD·Filed 2012·Application pending·0 cites
- 2044US8392652B2Virtual tape systemHIRASHIMA NOBUYUKI·Filed 2009·Granted Mar 5, 2013·0 cites·11 claims
- 2142US9850649B2Vortex flow type water surface control device for draining deviceWATANABE HIROMI·Filed 2011·Granted Dec 26, 2017·0 cites·9 claims
- 2239US2024103412A1Fixing memberFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2337US7623799B2Image forming apparatusFUJI XEROX CO LTD·Filed 2006·Granted Nov 24, 2009·0 cites·1 claims
- 2435US2017005939A1Control method and network deviceFUJITSU LTD·Filed 2016·Application pending·0 cites
- 2532US8576508B2Tape library system and method of diagnosing tape cartridgesYAMATO TAKAAKI·Filed 2010·Granted Nov 5, 2013·0 cites·8 claims
- 2629US2016070478A1Storage control device and storage control methodFUJITSU LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →