Inventor · disambiguated record
Takeshi Iwasaki
Also filed as: IWASAKI TAKESHI
131 granted patents·52 pending applications·1,888 citations·filing 1976–2025
99Inventor score
Files withCANON KK37TOSHIBA KK34DAINIPPON INK & CHEMICALS13IWASAKI TAKESHI11MITSUBISHI ELECTRIC CORP11
Top patents by PatentIndex Score
183 records- 0199US5619237AReplaceable ink tankCANON KK·Filed 1995·Granted Apr 8, 1997·264 cites·31 claims
- 0295US7470474B2Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus including both oxide and non-oxide perpendicular magnetic layersTOSHIBA KK·Filed 2004·Granted Dec 30, 2008·48 cites·16 claims
- 0395US6663233B2Inkjet printing apparatus and ink supplying methodCANON KK·Filed 2002·Granted Dec 16, 2003·72 cites·18 claims
- 0495US6045220ASheet supply apparatusCANON KK·Filed 1995·Granted Apr 4, 2000·65 cites·18 claims
- 0594US6361158B1Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printerCANON KK·Filed 1998·Granted Mar 26, 2002·61 cites·64 claims
- 0694US6336709B1Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printerCANON KK·Filed 1998·Granted Jan 8, 2002·62 cites·21 claims
- 0791US10573805B2Magnetic memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Feb 25, 2020·4 cites·20 claims
- 0891US7460279B2Adjustment method, image reading device, and image forming apparatus for adjusting read sensorsRICOH KK·Filed 2005·Granted Dec 2, 2008·17 cites·9 claims
- 0990US7494725B2Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatusTOSHIBA KK·Filed 2005·Granted Feb 24, 2009·9 cites·18 claims
- 1090US6783215B2Ink container, inkjet printing apparatus, and ink supplying methodCANON KK·Filed 2003·Granted Aug 31, 2004·40 cites·16 claims
- 1189US6948803B2Ink container, inkjet printing apparatus and ink supplying methodCANON KK·Filed 2003·Granted Sep 27, 2005·35 cites·85 claims
- 1289US5992993ASheet supply apparatusCANON KK·Filed 1995·Granted Nov 30, 1999·43 cites·21 claims
- 1389US5841261ASystem for controlling stepping motor for dividing a single step of the motor into plural sections and applying voltages whose levels are determined in accordance with the sectionsCANON KK·Filed 1995·Granted Nov 24, 1998·64 cites·10 claims
- 1488US7416794B2Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatusTOSHIBA KK·Filed 2005·Granted Aug 26, 2008·7 cites·12 claims
- 1588US7166376B2Magnetic recording medium including a high-magnetostriction layer and magnetic recording/reproducing apparatusTOSHIBA KK·Filed 2004·Granted Jan 23, 2007·23 cites·15 claims
- 1688US5847719ARecording apparatusCANON KK·Filed 1996·Granted Dec 8, 1998·62 cites·18 claims
- 1788US5006692AWire electrode supplying device for use in a wire cut electric discharge machining apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Apr 9, 1991·25 cites·3 claims
- 1887US7867638B2Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatusSHOWA DENKO KK·Filed 2008·Granted Jan 11, 2011·6 cites·12 claims
- 1987US7083870B2Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatusTOSHIBA KK·Filed 2003·Granted Aug 1, 2006·22 cites·7 claims
- 2086US10793755B2Adhesive sheet and electronic deviceDAINIPPON INK & CHEMICALS·Filed 2015·Granted Oct 6, 2020·5 cites·14 claims
- 2186US10093835B2Double-sided adhesive tapeDAINIPPON INK & CHEMICALS·Filed 2014·Granted Oct 9, 2018·6 cites·8 claims
- 2286US7431999B2Perpendicular magnetic recording medium and magnetic recording/reproducing apparatusTOSHIBA KK·Filed 2005·Granted Oct 7, 2008·7 cites·18 claims
- 2386US5793399ASheet supplying apparatusCANON KK·Filed 1994·Granted Aug 11, 1998·55 cites·29 claims
- 2485US8373910B2Image scanning device and image forming apparatusRICOH CO LTD·Filed 2010·Granted Feb 12, 2013·7 cites·10 claims
- 2584US10526433B2(Meth)acrylate compositionIDEMITSU KOSAN CO·Filed 2015·Granted Jan 7, 2020·2 cites·20 claims
- 2683US9224413B2Magnetic recording medium and method of manufacturing the sameTOSHIBA KK·Filed 2013·Granted Dec 29, 2015·5 cites·2 claims
- 2783US5073691AWire electrode feeding device in wire cut electric discharge machineMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Dec 17, 1991·21 cites·13 claims
- 2882US6382858B1Sheet material conveying apparatus and recording apparatusCANON KK·Filed 1998·Granted May 7, 2002·47 cites·8 claims
- 2982US6131899ASheet supplying apparatusCANON KK·Filed 1997·Granted Oct 17, 2000·30 cites·12 claims
- 3081US8995089B2Magnetic recording medium and method for producing the sameTOSHIBA KK·Filed 2013·Granted Mar 31, 2015·5 cites·20 claims
- 3180US7105239B2Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the sameSHOWA DENKO KK·Filed 2002·Granted Sep 12, 2006·13 cites·20 claims
- 3279US7704411B2PhosphorKOITO MFG CO LTD·Filed 2008·Granted Apr 27, 2010·8 cites·22 claims
- 3379US4975557AWire cutting electric discharge machine with nozzle collision detectionMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Dec 4, 1990·18 cites·3 claims
- 3478US11364663B2Thermosetting composition, and method for manufacturing thermoset resinIDEMITSU KOSAN CO·Filed 2020·Granted Jun 21, 2022·1 cites·21 claims
- 3578US11133456B2Magnetic storage deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Sep 28, 2021·2 cites·20 claims
- 3678US7132176B2Perpendicular magnetic recording medium and magnetic recording/reproduction apparatusSHOWA DENKO KK·Filed 2003·Granted Nov 7, 2006·12 cites·18 claims
- 3778US6864294B2Recycled plastic material, electronic apparatus having the recycled plastic material, method of manufacturing plastic part, method of manufacturing the recycled plastic material, and method of reusing plastic materialCANON KK·Filed 2000·Granted Mar 8, 2005·15 cites·3 claims
- 3878US6325479B1Ink jet recording apparatus, electronic apparatus using the same and change control method thereforCANON KK·Filed 1996·Granted Dec 4, 2001·38 cites·80 claims
- 3978US6095515ASheet supplying apparatus with separating means and guideCANON KK·Filed 1997·Granted Aug 1, 2000·25 cites·13 claims
- 4078US5717445AImproved recovery mechanism and ink jet apparatus provided with such mechanismCANON KK·Filed 1995·Granted Feb 10, 1998·37 cites·13 claims
- 4177US10557061B2Adhesive tapeDAINIPPON INK & CHEMICALS·Filed 2012·Granted Feb 11, 2020·2 cites·14 claims
- 4277US8302896B2Roll-paper feeding device and image forming apparatusIWASAKI TAKESHI·Filed 2010·Granted Nov 6, 2012·4 cites·12 claims
- 4376US11898070B2Adhesive tape and electronic deviceDAINIPPON INK & CHEMICALS·Filed 2022·Granted Feb 13, 2024·0 cites·8 claims
- 4476US6870022B2Process for producing α-olefin polymerIDEMITSU KOSAN CO·Filed 2001·Granted Mar 22, 2005·16 cites·17 claims
- 4576US6250827B1Recording device and sheet material conveying deviceCANON KK·Filed 1999·Granted Jun 26, 2001·34 cites·9 claims
- 4676US6200043B1Sheet feeding apparatus and image forming apparatus having such sheet feeding apparatusCANON KK·Filed 1999·Granted Mar 13, 2001·34 cites·36 claims
- 4776US4075890ADevice for detecting level of molten metal surface within a continuous casting moldMITSUBISHI HEAVY IND LTD·Filed 1976·Granted Feb 28, 1978·13 cites·4 claims
- 4875US8013091B2Resin for optical component, raw material composition used for resin for optical component, and optical componentIDEMITSU KOSAN CO·Filed 2008·Granted Sep 6, 2011·3 cites·14 claims
- 4975US7601445B2Perpendicular magnetic recording medium and magnetic recording/reproducing apparatusSHOWA DENKO KK·Filed 2004·Granted Oct 13, 2009·10 cites·11 claims
- 5075US5951003ASheet supply apparatus having an inverted V-shaped separation padCANON KK·Filed 1997·Granted Sep 14, 1999·23 cites·14 claims
Showing the top 50 of 183 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →