Inventor · disambiguated record
Eiichi Fujii
Also filed as: FUJII EIICHI
37 granted patents·10 pending applications·386 citations·filing 1984–2021
97Inventor score
Top patents by PatentIndex Score
47 records- 0188US7104703B2Optical transceiver and method for producing the sameSEIKO EPSON CORP·Filed 2003·Granted Sep 12, 2006·39 cites·11 claims
- 0288US5132945AMagnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the sameCANON KK·Filed 1990·Granted Jul 21, 1992·45 cites·47 claims
- 0386US7198411B2Manufacturing method of optical communication module, optical communication module, and electronic apparatusSEIKO EPSON CORP·Filed 2004·Granted Apr 3, 2007·32 cites·9 claims
- 0482US10739416B2Gas cell, magnetic field measurement device, and method for producing gas cellSEIKO EPSON CORP·Filed 2017·Granted Aug 11, 2020·4 cites·12 claims
- 0578US6249489B1Information recording-reproducing method utilizing domain wall displacement, and magneto optical mediumCANON KK·Filed 1998·Granted Jun 19, 2001·31 cites·11 claims
- 0676US5995472ALaser beam forming temperature distribution of two peaks on a magneto-optical recording mediumCANON KK·Filed 1998·Granted Nov 30, 1999·28 cites·16 claims
- 0773US10234517B2Magnetism measuring device, manufacturing method of magnetism measuring device, gas cell, and manufacturing method of gas cellSEIKO EPSON CORP·Filed 2016·Granted Mar 19, 2019·1 cites·13 claims
- 0871US10145909B2Magnetism measuring device, gas cell, manufacturing method of magnetism measuring device, and manufacturing method of gas cellSEIKO EPSON CORP·Filed 2015·Granted Dec 4, 2018·1 cites·19 claims
- 0971US10107876B2Magnetism measurement apparatus, gas cell, method for manufacturing magnetism measurement apparatus, and method for manufacturing gas cellSEIKO EPSON CORP·Filed 2015·Granted Oct 23, 2018·1 cites·12 claims
- 1071US4675767AOpto-magnetic recording mediumCANON KK·Filed 1984·Granted Jun 23, 1987·14 cites·11 claims
- 1170US6645793B2Manufacturing method and manufacturing device of microstructureSEIKO EPSON CORP·Filed 2001·Granted Nov 11, 2003·10 cites·18 claims
- 1270US5656384AMagnetooptical recording medium, method for producing the same, method for recording or reproducing information in or from the sameCANON KK·Filed 1994·Granted Aug 12, 1997·14 cites·3 claims
- 1367US5481410AMagnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the sameCANON KK·Filed 1994·Granted Jan 2, 1996·12 cites·30 claims
- 1466US5936915AMagneto-optical medium for reproducing information by the utilization of magnetic wall movement, and signal reproducing methodCANON KK·Filed 1997·Granted Aug 10, 1999·19 cites·5 claims
- 1566US5818811AInformation recording and reproducing method for recording information on and reproducing information from an optical recording medium including a land portion divided into a plurality of information tracksCANON KK·Filed 1995·Granted Oct 6, 1998·18 cites·2 claims
- 1666US4937799AMethod and apparatus for setting light quantity most suitable for reproducing information from an optical recording mediumCANON KK·Filed 1989·Granted Jun 26, 1990·14 cites·6 claims
- 1765US5956296AInformation reproducing apparatus for reproducing information by magnetic wall movementCANON KK·Filed 1997·Granted Sep 21, 1999·17 cites·9 claims
- 1863US5636187AMagnetooptical recording apparatus and magnetooptical recording method for canceling leakage magnetic fields associated with a recording medium and devices ancillary to the recording mediumCANON KK·Filed 1995·Granted Jun 3, 1997·16 cites·4 claims
- 1958US7498215B2Method of producing product including silicon wiresCANON KK·Filed 2007·Granted Mar 3, 2009·4 cites·8 claims
- 2058US5353266AMagnetooptical recording methodCANON KK·Filed 1992·Granted Oct 4, 1994·11 cites·4 claims
- 2156US11002808B2Gas cell, magnetometric device, method of manufacturing gas cell, and method of manufacturing magnetometric deviceSEIKO EPSON CORP·Filed 2017·Granted May 11, 2021·0 cites·11 claims
- 2256US4664977AOpto-magnetic recording mediumCANON KK·Filed 1985·Granted May 12, 1987·16 cites·12 claims
- 2353US10168394B2Method for manufacturing magnetism measurement device, method for manufacturing gas cell, magnetism measurement device, and gas cellSEIKO EPSON CORP·Filed 2015·Granted Jan 1, 2019·0 cites·18 claims
- 2452US10145905B2Gas cell sealing methodSEIKO EPSON CORP·Filed 2015·Granted Dec 4, 2018·0 cites·7 claims
- 2552US5810979AMagnetooptical recording medium, method for producing the same, method for recording or reproducing information in or from the sameCANON KK·Filed 1996·Granted Sep 22, 1998·7 cites·2 claims
- 2651US2022099871A1Diffractive optical member and virtual image display deviceSEIKO EPSON CORP·Filed 2021·Application pending·0 cites
- 2747US2014368827A1Optical tomography apparatus, optical tomography method, and optical coherence tomography apparatusCANON KK·Filed 2014·Application pending·0 cites
- 2845US9052179B2Optical coherence tomography apparatus and methodCANON KK·Filed 2012·Granted Jun 9, 2015·0 cites·9 claims
- 2945US2014218743A1Wavelength-Tunable Light Source Apparatus, Driving Method Thereof, Optical Tomographic Image Acquisition Apparatus Including Wavelength-Tunable Light Source Apparatus, and Optical Tomographic Image Acquisition MethodCANON KK·Filed 2014·Application pending·0 cites
- 3044US2015049341A1Method for driving light source apparatus and surface emitting laser, and image acquiring apparatusCANON KK·Filed 2014·Application pending·0 cites
- 3142US2014029013A1Optical coherence tomographic imaging apparatusCANON KK·Filed 2013·Application pending·0 cites
- 3241US6872498B2Pattern drawing device and manufacturing method of pattern drawing bodySEIKO EPSON CORP·Filed 2002·Granted Mar 29, 2005·1 cites·16 claims
- 3341US6028824AMagnetooptical recording medium allowing overwriting with two or more magnetic layersCANON KK·Filed 1998·Granted Feb 22, 2000·5 cites·2 claims
- 3441US5525378AMethod for producing a magnetooptical recording mediumCANON KK·Filed 1994·Granted Jun 11, 1996·3 cites·8 claims
- 3540US10188285B2Imaging apparatusCANON KK·Filed 2015·Granted Jan 29, 2019·0 cites·17 claims
- 3640US5253233AMethod of making a magneto-optical recording medium that includes a light interference layer having specified characteristicsCANON KK·Filed 1991·Granted Oct 12, 1993·4 cites·12 claims
- 3740US2013027714A1Light source device and optical coherence tomography apparatusCANON KK·Filed 2012·Application pending·0 cites
- 3839US6424602B1Magneto-optical reproducing apparatusCANON KK·Filed 1999·Granted Jul 23, 2002·4 cites·10 claims
- 3939US2017199251A1Magnetism measuring device, gas cell, manufacturing method of magnetism measuring device, and manufacturing method of gas cellSEIKO EPSON CORP·Filed 2016·Application pending·0 cites
- 4037US2009061577A1Method of producing product including silicon wiresCANON KK·Filed 2008·Application pending·0 cites
- 4137US2012307257A1Swept light source apparatus and imaging system including the sameYOSHII MINORU·Filed 2011·Application pending·0 cites
- 4236US5093817AMethod and apparatus for recording information on an opto-magnetic recording medium by applying a modulated light beam while applying a magnetic field alternating with a constant periodCANON KK·Filed 1991·Granted Mar 3, 1992·3 cites·12 claims
- 4336US4999260AMagneto-optical recording medium comprising a rare-earth-transition metal dispersed in a dielectricCANON KK·Filed 1988·Granted Mar 12, 1991·4 cites·15 claims
- 4435US5783300AMagnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the sameCANON KK·Filed 1996·Granted Jul 21, 1998·3 cites·3 claims
- 4535US2016001942A1Lid, gas cell, sealing method for gas cell, manufacturing method for lid, and lid array substrateSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 4633US5793712AMagneto-optical reproducing method using a reproducing layer of horizontal magnetized state at room temperatureCANON KK·Filed 1996·Granted Aug 11, 1998·1 cites·2 claims
- 4733US4939023AOpto-magnetic recording mediumCANON KK·Filed 1988·Granted Jul 3, 1990·4 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Eiichi Fujii files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →