Inventor · disambiguated record
Masahiko Okunuki
Also filed as: OKUNUKI MASAHIKO
74 granted patents·2 pending applications·2,002 citations·filing 1982–2014
99Inventor score
Top patents by PatentIndex Score
76 records- 0199US7873146B2Multi X-ray generator and multi X-ray imaging apparatusCANON KK·Filed 2007·Granted Jan 18, 2011·63 cites·2 claims
- 0299US4904895AElectron emission deviceCANON KK·Filed 1988·Granted Feb 27, 1990·317 cites·8 claims
- 0398US8139716B2Multi X-ray generator and multi X-ray imaging apparatusOKUNUKI MASAHIKO·Filed 2010·Granted Mar 20, 2012·36 cites·7 claims
- 0498US7991120B2Multi X-ray generating apparatus and X-ray imaging apparatusCANON KK·Filed 2009·Granted Aug 2, 2011·66 cites·12 claims
- 0598US7889844B2Multi X-ray generator and multi X-ray imaging apparatusCANON KK·Filed 2010·Granted Feb 15, 2011·34 cites·13 claims
- 0697US8861682B2Multi X-ray generator and multi X-ray imaging apparatusOKUNUKI MASAHIKO·Filed 2012·Granted Oct 14, 2014·28 cites·6 claims
- 0797US8422637B2Multi X-ray generating apparatus and X-ray imaging apparatusOKUNUKI MASAHIKO·Filed 2011·Granted Apr 16, 2013·29 cites·4 claims
- 0896US7991114B2Multi X-ray imaging apparatus and control method thereforCANON KK·Filed 2010·Granted Aug 2, 2011·29 cites·20 claims
- 0996US6617595B1Multi-lens type electrostatic lens, electron beam exposure apparatus and charged beam applied apparatus using the lens, and device manufacturing method using these apparatusesCANON KK·Filed 2000·Granted Sep 9, 2003·113 cites·18 claims
- 1096US4956578ASurface conduction electron-emitting deviceCANON KK·Filed 1988·Granted Sep 11, 1990·70 cites·22 claims
- 1195US5202571AElectron emitting device with diamondCANON KK·Filed 1991·Granted Apr 13, 1993·99 cites·31 claims
- 1291US6515640B2Electron emission device with gap between electron emission electrode and substrateCANON KK·Filed 1998·Granted Feb 4, 2003·55 cites·7 claims
- 1390US8666024B2Multi-X-ray generating apparatus and X-ray imaging apparatusCANON KK·Filed 2013·Granted Mar 4, 2014·34 cites·7 claims
- 1489US6037601AElectron beam illumination device, and exposure apparatus with electron beam illumination deviceCANON KK·Filed 1998·Granted Mar 14, 2000·58 cites·16 claims
- 1589US5786658AElectron emission device with gap between electron emission electrode and substrateCANON KK·Filed 1994·Granted Jul 28, 1998·44 cites·3 claims
- 1686US5201681AMethod of emitting electronsCANON KK·Filed 1992·Granted Apr 13, 1993·41 cites·3 claims
- 1786US5176557AElectron emission element and method of manufacturing the sameCANON KK·Filed 1991·Granted Jan 5, 1993·50 cites·10 claims
- 1885US7978816B2Radiographic imaging control apparatus using multi radiation generating apparatusCANON KK·Filed 2007·Granted Jul 12, 2011·40 cites·18 claims
- 1985US5361015AElectron emission elementCANON KK·Filed 1993·Granted Nov 1, 1994·38 cites·26 claims
- 2085US4488045AMetal ion sourceJEOL LTD·Filed 1982·Granted Dec 11, 1984·30 cites·13 claims
- 2184US6225637B1Electron beam exposure apparatusCANON KK·Filed 1997·Granted May 1, 2001·43 cites·70 claims
- 2284US4897552AMulti-electron-beam pattern drawing apparatusCANON KK·Filed 1988·Granted Jan 30, 1990·29 cites·8 claims
- 2383US7700390B2Method for fabricating three-dimensional photonic crystalCANON KK·Filed 2008·Granted Apr 20, 2010·9 cites·11 claims
- 2483US6054713AElectron beam exposure apparatusCANON KK·Filed 1998·Granted Apr 25, 2000·41 cites·10 claims
- 2583US5760417ASemiconductor electron emission deviceCANON KK·Filed 1995·Granted Jun 2, 1998·41 cites·43 claims
- 2683US5559342AElectron emitting device having a polycrystalline silicon resistor coated with a silicide and an oxide of a work function reducing materialCANON KK·Filed 1995·Granted Sep 24, 1996·34 cites·2 claims
- 2782US8509387B2X-ray imaging apparatusTSUJII OSAMU·Filed 2009·Granted Aug 13, 2013·12 cites·15 claims
- 2880US6787784B1Charged-particle beam drawing data creation method, and charged-particle beam drawing apparatus using the sameCANON KK·Filed 2000·Granted Sep 7, 2004·15 cites·20 claims
- 2979US5164974AX-ray exposure apparatusCANON KK·Filed 1991·Granted Nov 17, 1992·34 cites·19 claims
- 3079US4974736AMulti-electron-beam pattern drawing apparatusCANON KK·Filed 1990·Granted Dec 4, 1990·32 cites·16 claims
- 3178US8488742B2X-ray generator, X-ray imaging apparatus, and control methods thereforTSUJII OSAMU·Filed 2009·Granted Jul 16, 2013·15 cites·20 claims
- 3276US5554859AElectron emission element with schottky junctionCANON KK·Filed 1995·Granted Sep 10, 1996·29 cites·32 claims
- 3376US4896045AElectron beam head and patterning apparatus including detection of secondary or reflected electronsCANON KK·Filed 1988·Granted Jan 23, 1990·19 cites·11 claims
- 3475US7945015B2X-ray imaging apparatus and control method thereofCANON KK·Filed 2009·Granted May 17, 2011·12 cites·8 claims
- 3574US7727410B2Process for formation of three-dimensional photonic crystalCANON KK·Filed 2007·Granted Jun 1, 2010·4 cites·12 claims
- 3674US5627111AElectron emitting device and process for producing the sameCANON KK·Filed 1995·Granted May 6, 1997·22 cites·6 claims
- 3772US9008268B2Multi X-ray imaging apparatus and control method thereforOKUNUKI MASAHIKO·Filed 2011·Granted Apr 14, 2015·2 cites·13 claims
- 3872US5285079AElectron emitting device, electron emitting apparatus and electron beam drawing apparatusCANON KK·Filed 1993·Granted Feb 8, 1994·22 cites·14 claims
- 3971US7611810B2Charged beam processing apparatusCANON KK·Filed 2007·Granted Nov 3, 2009·2 cites·7 claims
- 4071US4830498APosition detecting deviceCANON KK·Filed 1988·Granted May 16, 1989·23 cites·17 claims
- 4171US4812662AAlignment system using an electron beamCANON KK·Filed 1987·Granted Mar 14, 1989·24 cites·3 claims
- 4269US7902637B2Nano structure and method of manufacturing nano structureCANON KK·Filed 2008·Granted Mar 8, 2011·2 cites·7 claims
- 4369US5414272ASemiconductor electron emission elementCANON KK·Filed 1994·Granted May 9, 1995·20 cites·16 claims
- 4467US8084365B2Method of manufacturing a nano structure by etching, using a substrate containing siliconMOTOI TAIKO·Filed 2010·Granted Dec 27, 2011·2 cites·6 claims
- 4567US7970100B2Mammography apparatusCANON KK·Filed 2009·Granted Jun 28, 2011·3 cites·15 claims
- 4666US9245659B2X-ray imaging apparatusTSUJII OSAMU·Filed 2013·Granted Jan 26, 2016·2 cites·12 claims
- 4765US4810934AElectron emission deviceCANON KK·Filed 1987·Granted Mar 7, 1989·12 cites·14 claims
- 4864US7189979B2Electron gunHITACHI HIGH TECH CORP·Filed 2004·Granted Mar 13, 2007·5 cites·12 claims
- 4964US5814832AElectron emitting semiconductor deviceCANON KK·Filed 1995·Granted Sep 29, 1998·29 cites·7 claims
- 5062US5304815AElectron emission elementsCANON KK·Filed 1993·Granted Apr 19, 1994·15 cites·12 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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