Inventor · disambiguated record
Masashi Tanaka
Also filed as: TANAKA MASASHI
176 granted patents·27 pending applications·2,837 citations·filing 1974–2025
99Inventor score
Files withCANON KK34PERMELEC ELECTRODE LTD19NIPPON TELEGRAPH & TELEPHONE16NIKON CORP15MITA INDUSTRIAL CO LTD13
Top patents by PatentIndex Score
203 records- 0199US6795169B2Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatusNIKON CORP·Filed 2003·Granted Sep 21, 2004·481 cites·21 claims
- 0297US7650105B2Image heating apparatusCANON KK·Filed 2007·Granted Jan 19, 2010·41 cites·6 claims
- 0397US5729331AExposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatusNIKON CORP·Filed 1995·Granted Mar 17, 1998·134 cites·74 claims
- 0496US11495893B2ConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2021·Granted Nov 8, 2022·4 cites·6 claims
- 0596US9002249B2Image heating apparatus regulating a shift movement of an endless belt the inner face of which contacts a nip portion forming unit forming a nip portion with a roller contacting an outer face of the beltCANON KK·Filed 2013·Granted Apr 7, 2015·15 cites·12 claims
- 0696US7088425B2Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatusNIKON CORP·Filed 2005·Granted Aug 8, 2006·17 cites·57 claims
- 0795US7909729B2Control unit for an electric oil pumpHONDA MOTOR CO LTD·Filed 2006·Granted Mar 22, 2011·82 cites·6 claims
- 0895USD559258SUser interface for computer displayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jan 8, 2008·63 cites·1 claims
- 0995US5900127AElectrode for electrolysis and electrolytic cell using the electrodePERMELEC ELECTRODE LTD·Filed 1997·Granted May 4, 1999·132 cites·10 claims
- 1094US8798514B2Image fixing appratus for fixing a toner image on a recording material by heating the toner image while feeding the recording material through a nipTANAKA MASASHI·Filed 2012·Granted Aug 5, 2014·12 cites·11 claims
- 1194US8532530B2Fixing device for fixing on a recording material a toner image formed on the recording material including a fixing roller and heating and pressing membersNISHIDA SATOSHI·Filed 2011·Granted Sep 10, 2013·15 cites·3 claims
- 1294US6117286AElectrolytic cell employing gas diffusion electrodePERMELEC ELECTRODE LTD·Filed 1998·Granted Sep 12, 2000·94 cites·28 claims
- 1393US8364067B2Image heating apparatusCANON KK·Filed 2009·Granted Jan 29, 2013·16 cites·16 claims
- 1492US10095165B2Fixing apparatus for fixing a toner image to a recording mediumCANON KK·Filed 2016·Granted Oct 9, 2018·4 cites·10 claims
- 1592US6480262B1Illumination optical apparatus for illuminating a mask, method of manufacturing and using same, and field stop used thereinNIKON CORP·Filed 2000·Granted Nov 12, 2002·26 cites·67 claims
- 1691US8831493B2Image heating apparatusTANAKA MASASHI·Filed 2011·Granted Sep 9, 2014·8 cites·13 claims
- 1791US7567564B2Optical access network apparatus and data signal sending method thereforNEC CORP·Filed 2006·Granted Jul 28, 2009·15 cites·16 claims
- 1891US6235186B1Apparatus for producing electrolytic waterPERMELEC ELCTRODE LTD·Filed 1999·Granted May 22, 2001·92 cites·23 claims
- 1991US4367426ACeramic transparent piezoelectric transducerHITACHI LTD·Filed 1981·Granted Jan 4, 1983·54 cites·8 claims
- 2090USD1027863SConnectorJAPAN AVIATION ELECTRONICS IND LTD·Filed 2022·Granted May 21, 2024·11 cites·1 claims
- 2190US6556278B1Exposure/imaging apparatus and method in which imaging characteristics of a projection optical system are adjustedNIKON CORP·Filed 2000·Granted Apr 29, 2003·26 cites·62 claims
- 2290US6312571B1Activated cathode and process for preparation thereofPERMELEC ELECTRODE LTD·Filed 2000·Granted Nov 6, 2001·30 cites·11 claims
- 2389US10838332B2Image heating deviceCANON KK·Filed 2017·Granted Nov 17, 2020·3 cites·30 claims
- 2489US8699930B2Image heating apparatus and image heating rotational body to be mounted on the image heating apparatusCANON KK·Filed 2013·Granted Apr 15, 2014·4 cites·20 claims
- 2589US7578761B2Hydraulic circuit control deviceHONDA MOTOR CO LTD·Filed 2006·Granted Aug 25, 2009·27 cites·7 claims
- 2689US6313601B1Speed control of a motorTEAC CORP·Filed 2000·Granted Nov 6, 2001·27 cites·60 claims
- 2789US6238530B1Cathode for electrolysis and electrolytic cell using the samePERMELEC ELECTRODE LTD·Filed 2000·Granted May 29, 2001·29 cites·13 claims
- 2888US10627768B2Image forming apparatusCANON KK·Filed 2017·Granted Apr 21, 2020·2 cites·20 claims
- 2987US10756497B2Electrical connector with gripping means on housing and engagement member inserted into housingJAPAN AVIATION ELECTRONICS IND LTD·Filed 2019·Granted Aug 25, 2020·7 cites·13 claims
- 3087US9175410B2Oxygen gas diffusion cathode, electrolytic cell employing same, method of producing chlorine gas and method of producing sodium hydroxideIZAWA YUKI·Filed 2011·Granted Nov 3, 2015·10 cites·10 claims
- 3187US5965009AMethod of producing acid water and electrolytic cell thereforPERMELEC ELECTRODE LTD·Filed 1997·Granted Oct 12, 1999·66 cites·7 claims
- 3286US11402799B2Image forming apparatus including blower unitCANON KK·Filed 2021·Granted Aug 2, 2022·1 cites·21 claims
- 3386US9501012B2Fixing apparatus for fixing a toner image to a recording mediumCANON KK·Filed 2015·Granted Nov 22, 2016·2 cites·4 claims
- 3486US9297085B2Membrane-electrode assembly, electrolytic cell employing the same, electrolytic-water sprayer, and method of sterilizationPERMELEC ELECTRODE LTD·Filed 2014·Granted Mar 29, 2016·9 cites·5 claims
- 3586US7372544B2Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatusNIKON CORP·Filed 2007·Granted May 13, 2008·8 cites·16 claims
- 3686US6126796AElectrolytic cell and method for the production of acid waterPERMELEC ELECTRODE LTD·Filed 1998·Granted Oct 3, 2000·60 cites·9 claims
- 3786US5859707APosition detection apparatus and aligner comprising sameNIKON CORP·Filed 1997·Granted Jan 12, 1999·64 cites·36 claims
- 3885US7372543B2Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatusNIKON CORP·Filed 2006·Granted May 13, 2008·7 cites·28 claims
- 3984US8463167B2Image heating apparatus and image heating rotational body to be mounted on the image heating apparatusTANAKA MASASHI·Filed 2008·Granted Jun 11, 2013·6 cites·23 claims
- 4084US7956984B2Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatusNIKON CORP·Filed 2008·Granted Jun 7, 2011·3 cites·12 claims
- 4184US4610515AObjective lens for an optical discNIPPON KOGAKU KK·Filed 1984·Granted Sep 9, 1986·26 cites·8 claims
- 4283US10521994B2Biometric data registration system and payment systemBRAINY INC·Filed 2016·Granted Dec 31, 2019·2 cites·7 claims
- 4383US10504104B2Multifunction card including biometric data, card payment terminal, and card payment systemBRAINY INC·Filed 2018·Granted Dec 10, 2019·2 cites·11 claims
- 4483US6397808B1Engine starter having traction-drive type reduction gear and torque transmitting device for linking the reduction gear and driven shaft of engineHONDA MOTOR CO LTD·Filed 2000·Granted Jun 4, 2002·26 cites·10 claims
- 4582US11279251B2Charging systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 22, 2022·5 cites·7 claims
- 4682US10564579B2Fixing apparatusCANON KK·Filed 2018·Granted Feb 18, 2020·1 cites·10 claims
- 4782US7959774B2Cathode for hydrogen generationPERMELEC ELECTRODE LTD·Filed 2009·Granted Jun 14, 2011·4 cites·4 claims
- 4882US6509954B1Aperture stop having central aperture region defined by a circular ARC and peripheral region with decreased width, and exposure apparatus and methodNIKON CORP·Filed 2000·Granted Jan 21, 2003·13 cites·82 claims
- 4982US5684595AAlignment apparatus and exposure apparatus equipped therewithNIKON CORP·Filed 1996·Granted Nov 4, 1997·49 cites·32 claims
- 5081US10488795B2Fixing device for fixing an image on a recording material and including a heat-conductive member with a regulating portionCANON KK·Filed 2016·Granted Nov 26, 2019·2 cites·3 claims
Showing the top 50 of 203 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →