Inventor · disambiguated record
Tadashi Kasai
Also filed as: KASAI TADASHI
65 granted patents·3 pending applications·1,079 citations·filing 1987–2025
99Inventor score
Top patents by PatentIndex Score
68 records- 0195US7273688B2Image forming method and image forming apparatus for sameRICOH KK·Filed 2006·Granted Sep 25, 2007·15 cites·8 claims
- 0293US7457570B2Image forming apparatus including a magnetic brush developing system using a two-component developer comprising toner and carrierRICOH KK·Filed 2005·Granted Nov 25, 2008·23 cites·52 claims
- 0393US7169105B2Flexible tube for an endoscopePENTAX CORP·Filed 2004·Granted Jan 30, 2007·50 cites·25 claims
- 0493US6887636B2Toner for two-component developer, image forming method and device for developing electrostatic latent imageRICOH KK·Filed 2002·Granted May 3, 2005·45 cites·38 claims
- 0592US8923713B2Image forming apparatus, image forming method, and image forming programTERAO MASAKAZU·Filed 2012·Granted Dec 30, 2014·15 cites·16 claims
- 0692US6934484B2Image-forming apparatus and image-forming methodRICOH KK·Filed 2003·Granted Aug 23, 2005·40 cites·30 claims
- 0792US4930915APrinter having means for identifying print head typeOKI ELECTRIC IND CO LTD·Filed 1988·Granted Jun 5, 1990·65 cites·4 claims
- 0892US4825133AElectromechanical actuator control systemOKI ELECTRIC IND CO LTD·Filed 1987·Granted Apr 25, 1989·56 cites·10 claims
- 0990US8494385B2Image forming apparatusTERAO MASAKAZU·Filed 2011·Granted Jul 23, 2013·9 cites·20 claims
- 1090US6899986B2Image forming method and toner for use in the methodRICOH KK·Filed 2002·Granted May 31, 2005·28 cites·22 claims
- 1189US9152104B2Image forming apparatus and method capable of improving fixing qualityKASAI TADASHI·Filed 2015·Granted Oct 6, 2015·4 cites·15 claims
- 1287US7162187B2Image forming apparatus and image forming methodRICOH KK·Filed 2004·Granted Jan 9, 2007·25 cites·12 claims
- 1387US7125638B2Image forming method and image forming apparatus for sameRICOH KK·Filed 2004·Granted Oct 24, 2006·21 cites·31 claims
- 1487US6860849B2Flexible tube for an endoscopePENTAX CORP·Filed 2001·Granted Mar 1, 2005·182 cites·19 claims
- 1585US9020382B2Image forming apparatusAOKI SHINJI·Filed 2012·Granted Apr 28, 2015·3 cites·23 claims
- 1685US8655206B2Image forming apparatus and image forming methodKOBAYASHI SHINYA·Filed 2011·Granted Feb 18, 2014·4 cites·8 claims
- 1785US8565633B2Image forming system, and image forming methodSONOHARA YOSHIHIRO·Filed 2011·Granted Oct 22, 2013·6 cites·10 claims
- 1884US9239542B2Image forming apparatusKASAI TADASHI·Filed 2014·Granted Jan 19, 2016·3 cites·13 claims
- 1984US8090276B2Developing device and image forming apparatusKASAI TADASHI·Filed 2010·Granted Jan 3, 2012·3 cites·11 claims
- 2084US7764887B2Developing device and image forming apparatusRICOH KK·Filed 2007·Granted Jul 27, 2010·6 cites·9 claims
- 2181US9116450B2Toner, printed material, method of preparing printed material and image forming apparatus having varnish application meansIIO MASATO·Filed 2011·Granted Aug 25, 2015·3 cites·12 claims
- 2281US7515860B2Image forming method and image forming apparatus for sameRICOH KK·Filed 2007·Granted Apr 7, 2009·4 cites·5 claims
- 2381US6623424B2Flexible tube for an endoscope and electronic endoscope equipped with the flexible tubePENTAX CORP·Filed 2001·Granted Sep 23, 2003·127 cites·16 claims
- 2479US9316987B2Image forming apparatus and image forming methodHITOSUGI JUN·Filed 2015·Granted Apr 19, 2016·3 cites·12 claims
- 2579US9014580B2Image forming apparatus and method capable of improving fixing qualityKASAI TADASHI·Filed 2012·Granted Apr 21, 2015·2 cites·20 claims
- 2677US9310743B2Image forming apparatus and cleaning of image forming apparatusSHIRAISHI EMIKO·Filed 2014·Granted Apr 12, 2016·2 cites·18 claims
- 2776US9280125B2Image forming apparatusITOH WAKANA·Filed 2015·Granted Mar 8, 2016·2 cites·15 claims
- 2876US4918365AElectromechanical actuator having control and drive circuitOKI ELECTRIC IND CO LTD·Filed 1988·Granted Apr 17, 1990·32 cites·8 claims
- 2976US2025315000A1Medium feeder and image forming systemKASAI TADASHI·Filed 2025·Application pending·0 cites
- 3075US5039237ADot matrix print head drive methodOKI ELECTRIC IND CO LTD·Filed 1989·Granted Aug 13, 1991·23 cites·10 claims
- 3174US8626040B2Image forming apparatusKASAI TADASHI·Filed 2011·Granted Jan 7, 2014·2 cites·15 claims
- 3271US9588460B2Image forming apparatusKASAI TADASHI·Filed 2015·Granted Mar 7, 2017·1 cites·12 claims
- 3371US7150954B2Image forming method and toner for use in the methodRICOH KK·Filed 2004·Granted Dec 19, 2006·10 cites·11 claims
- 3471US4990806APulse motorOKI ELECTRIC IND CO LTD·Filed 1989·Granted Feb 5, 1991·29 cites·13 claims
- 3570US9513594B2Protective layer forming device and image forming apparatusHASEGAWA KUNIO·Filed 2014·Granted Dec 6, 2016·1 cites·11 claims
- 3669US8947732B2Print control device and print control methodKUROSAWA MASANORI·Filed 2013·Granted Feb 3, 2015·2 cites·3 claims
- 3769US8918045B2Image glossing apparatus, image glossing method, and recording medium storing image glossing programSAKURAI YOICHI·Filed 2012·Granted Dec 23, 2014·2 cites·6 claims
- 3869US6520214B1Flexible tube for endoscopePENTAX CORP·Filed 2000·Granted Feb 18, 2003·53 cites·29 claims
- 3966US12391036B2Output device, output system, and output methodKASAI TADASHI·Filed 2023·Granted Aug 19, 2025·0 cites·16 claims
- 4065US8630573B2Image forming method, image forming apparatus, varnish applicator, and tonerIIO MASATO·Filed 2011·Granted Jan 14, 2014·1 cites·17 claims
- 4164US9684259B2Image forming apparatusKOMORI TAKATSUGU·Filed 2015·Granted Jun 20, 2017·1 cites·7 claims
- 4262US8520261B2Controller and halftone dot signal generating method capable of controlling glossiness of imageKOBAYASHI SHINYA·Filed 2011·Granted Aug 27, 2013·1 cites·18 claims
- 4362US7859555B2Image forming apparatusOKI DATA KK·Filed 2006·Granted Dec 28, 2010·2 cites·4 claims
- 4459USRE47726EImage forming apparatusRICOH CO LTD·Filed 2016·Granted Nov 12, 2019·0 cites·32 claims
- 4558US6206824B1Flexible tube for endoscope and method of producing the flexible tubeASAHI OPTICAL CO LTD·Filed 1999·Granted Mar 27, 2001·85 cites·12 claims
- 4656US8112006B2Image forming apparatus and method for distinguishing suitable parts in the sameKASAI TADASHI·Filed 2007·Granted Feb 7, 2012·1 cites·16 claims
- 4753US9128428B2Image forming apparatus which includes a colorless toner image forming deviceMORINAGA MUTSUKI·Filed 2014·Granted Sep 8, 2015·0 cites·12 claims
- 4852US5680522APrinter system and methodOKI DATA KK·Filed 1996·Granted Oct 21, 1997·17 cites·18 claims
- 4952US5326183ACarriage speed control based on average dot densityOKI ELECTRIC IND CO LTD·Filed 1991·Granted Jul 5, 1994·10 cites·10 claims
- 5051US7548349B2Image forming apparatus to prevent toner deformationRICOH KK·Filed 2003·Granted Jun 16, 2009·4 cites·25 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →