Inventor · disambiguated record
Masaaki Takahashi
Also filed as: TAKAHASHI MASAAKI
143 granted patents·17 pending applications·2,718 citations·filing 1973–2025
99Inventor score
Files withCANON KK43FUJI XEROX CO LTD18KUREHA CHEMICAL IND CO LTD18HITACHI LTD9FUJIFILM BUSINESS INNOVATION CORP8
Top patents by PatentIndex Score
160 records- 0198US8369763B2Image heating apparatus and pressure roller used for image heating apparatusCANON KK·Filed 2012·Granted Feb 5, 2013·23 cites·16 claims
- 0297US8224223B2Image heating apparatus and pressure roller used for image heating apparatusSAKAKIBARA HIROYUKI·Filed 2011·Granted Jul 17, 2012·27 cites·8 claims
- 0397US8005413B2Image heating apparatus and pressure roller used for image heating apparatusCANON KK·Filed 2008·Granted Aug 23, 2011·29 cites·9 claims
- 0497US7974563B2Image heating apparatus and pressure roller therein having metal core and two elastic layers with different thermal conductivitiesCANON KK·Filed 2008·Granted Jul 5, 2011·31 cites·5 claims
- 0597US6456819B1Image heating apparatusCANON KK·Filed 2000·Granted Sep 24, 2002·120 cites·41 claims
- 0697US5177670ACapacitor-carrying semiconductor moduleHITACHI LTD·Filed 1992·Granted Jan 5, 1993·287 cites·8 claims
- 0796US11644777B2Pressurizing member, fixing device, and electrophotographic image-forming apparatusCANON KK·Filed 2022·Granted May 9, 2023·7 cites·12 claims
- 0896US7991341B2Electrophotographic fixing member and manufacturing method thereof, fixing apparatus, and electrophotographic image forming apparatusCANON KK·Filed 2010·Granted Aug 2, 2011·12 cites·3 claims
- 0996US7725068B2Electrophotographic fixing member and manufacturing method thereof, fixing apparatus, and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted May 25, 2010·18 cites·5 claims
- 1095US9063491B2Electrophotographic fixing member, fixing apparatus and electrophotographic image forming apparatusCANON KK·Filed 2014·Granted Jun 23, 2015·11 cites·13 claims
- 1195US8401450B2Pressing member and image heating member using the pressing memberSEKIHARA YUKO·Filed 2010·Granted Mar 19, 2013·16 cites·14 claims
- 1295US7457577B2Heat fixing member and heat fixing assemblyCANON KK·Filed 2006·Granted Nov 25, 2008·18 cites·22 claims
- 1395US7177585B2Image forming apparatus and methodFUJI XEROX CO LTD·Filed 2003·Granted Feb 13, 2007·73 cites·13 claims
- 1495US6459878B1Heating assembly, image-forming apparatus, and process for producing silicone rubber sponge and rollerCANON KK·Filed 2000·Granted Oct 1, 2002·60 cites·25 claims
- 1595US4610927AMicrocapsules containing a hydrophobic, volatile core substance and their productionKUREHA CHEMICAL IND CO LTD·Filed 1984·Granted Sep 9, 1986·79 cites·7 claims
- 1695US4557755AMicroencapsulated agricultural chemical and process of preparation thereofKUREHA CHEMICAL IND CO LTD·Filed 1982·Granted Dec 10, 1985·75 cites·10 claims
- 1794US8626046B2Image heating apparatus, pressure roller to be used in the image heating apparatus, and manufacturing method for the pressure rollerSEKIHARA YUKO·Filed 2009·Granted Jan 7, 2014·23 cites·13 claims
- 1894US6377777B1Fluorine-containing resin-coated pressure roller and heat-fixing deviceCANON KK·Filed 2000·Granted Apr 23, 2002·56 cites·9 claims
- 1993US10620574B2Fixing member and heat fixing apparatusCANON KK·Filed 2019·Granted Apr 14, 2020·6 cites·11 claims
- 2093US5138390ACleaning sheet for fixating rotational member and image forming apparatus having fixating rotational memberCANON KK·Filed 1991·Granted Aug 11, 1992·48 cites·36 claims
- 2192US6291880B1Semiconductor device including an integrally molded lead frameHITACHI LTD·Filed 1999·Granted Sep 18, 2001·160 cites·11 claims
- 2292US4217107AMethod of measuring blood clotting timeSANKYO CO·Filed 1978·Granted Aug 12, 1980·60 cites·7 claims
- 2391US6341205B1Image forming apparatus with cleaning bias featureFUJI XEROX CO LTD·Filed 2000·Granted Jan 22, 2002·42 cites·4 claims
- 2489US12070925B2Fixing rotating member, fixing apparatus and electrophotographic image forming apparatus, and method for producing fixing rotating memberCANON KK·Filed 2021·Granted Aug 27, 2024·1 cites·16 claims
- 2589US6321062B1Fixing-unit roller making use of composite material, process for its production, and fixing assembly employing the rollerCANON KK·Filed 2000·Granted Nov 20, 2001·31 cites·10 claims
- 2688US4014758AContinuous electrolytical treatment of aluminum or its alloysPILOT PEN CO LTD·Filed 1975·Granted Mar 29, 1977·30 cites·9 claims
- 2785US6587747B2Numerically controlled curved surface machining unitHITACHI LTD·Filed 2001·Granted Jul 1, 2003·44 cites·19 claims
- 2885US6546223B2Elastic body, roller, heating and fixing device, and manufacturing method thereforCANON KK·Filed 2001·Granted Apr 8, 2003·24 cites·9 claims
- 2983US7826764B2Image forming apparatus with an intermediate transfer member and a plurality of cleaning membersFUJI XEROX CO LTD·Filed 2008·Granted Nov 2, 2010·6 cites·2 claims
- 3083US6675061B2Numerically controlled curved surface machining unitHITACHI LTD·Filed 2003·Granted Jan 6, 2004·35 cites·2 claims
- 3183US5929557AField-emission cathode capable of forming an electron beam having a high current density and a low rippleNEC CORP·Filed 1997·Granted Jul 27, 1999·44 cites·9 claims
- 3283US5753348AFluororesin tube-covered fixing roller, and image formation apparatusCANON KK·Filed 1996·Granted May 19, 1998·33 cites·13 claims
- 3383US3933772ADielectric polyolefin compositionsKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Jan 20, 1976·20 cites·7 claims
- 3482US6358438B1Electrically conductive polymer compositionTYCO ELECTRONICS CORP·Filed 1999·Granted Mar 19, 2002·46 cites·16 claims
- 3582US5089201AMethod for preparing elastic rollerCANON KK·Filed 1990·Granted Feb 18, 1992·46 cites·6 claims
- 3681US6349192B1Tandem type image forming apparatusFUJI XEROX CO LTD·Filed 2000·Granted Feb 19, 2002·20 cites·12 claims
- 3781US5966578AHeat-pressure fixing device and silicone rubber rollerCANON KK·Filed 1998·Granted Oct 12, 1999·30 cites·17 claims
- 3881US5608508ARotatable member for fixing in which inorganic filler is contained in silicone rubber, and fixing device having the sameCANON KK·Filed 1995·Granted Mar 4, 1997·30 cites·21 claims
- 3980US6755632B1Scroll-type compressor having an oil communication path in the fixed scrollSANDEN CORP·Filed 2003·Granted Jun 29, 2004·22 cites·5 claims
- 4079US9180986B2Packaging machineGEN PACKER CO LTD·Filed 2013·Granted Nov 10, 2015·5 cites·3 claims
- 4179US8422906B2Image formation deviceKOMIYAMA TSUTOMU·Filed 2010·Granted Apr 16, 2013·3 cites·17 claims
- 4278US8086128B2Image forming apparatus with an intermediate transfer member and a plurality of cleaning membersTAKAHASHI MASAAKI·Filed 2010·Granted Dec 27, 2011·2 cites·5 claims
- 4378US7979015B2Heat fixing member and heat fixing assemblyCANON KK·Filed 2008·Granted Jul 12, 2011·4 cites·7 claims
- 4478US5089481APolysaccharides and antiviral drugs containing the same as active ingredientKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Feb 18, 1992·44 cites·14 claims
- 4577US6999845B2Numerically controlled curved surface machining unitHITACHI SOFTWARE ENG·Filed 2004·Granted Feb 14, 2006·20 cites·3 claims
- 4676US7003237B2Image formation system, method for determining image formation condition and storage medium storing program thereforFUJI XEROX CO LTD·Filed 2003·Granted Feb 21, 2006·15 cites·17 claims
- 4776US6973272B2Image forming apparatus and methodFUJI XEROX CO LTD·Filed 2003·Granted Dec 6, 2005·15 cites·14 claims
- 4876US6424815B1Oil coating roller, oil coating device, and fixing apparatusCANON KK·Filed 2000·Granted Jul 23, 2002·15 cites·22 claims
- 4976US5765086AHeat fixing belt with conductive aluminum layer toner release layer and elastic layer disposed therebetweenCANON KK·Filed 1996·Granted Jun 9, 1998·24 cites·10 claims
- 5075US7457202B2Date display mechanism and timepiece possessing date display mechanismSEIKO INSTR INC·Filed 2005·Granted Nov 25, 2008·7 cites·30 claims
Showing the top 50 of 160 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →