Inventor · disambiguated record
Seiichi Hayashi
Also filed as: HAYASHI SEIICHI
40 granted patents·7 pending applications·619 citations·filing 1975–2025
98Inventor score
Top patents by PatentIndex Score
47 records- 0190US4775765ACoordinate input apparatusHITACHI LTD·Filed 1986·Granted Oct 4, 1988·127 cites·27 claims
- 0283USD690745SLaser processing machineKOMATSU NTC LTD·Filed 2013·Granted Oct 1, 2013·31 cites·1 claims
- 0381US9233694B2Railcar including heat-resistant floorKATO EIICHI·Filed 2011·Granted Jan 12, 2016·8 cites·9 claims
- 0481US4792495AFusible ink sheetSEIKO EPSON CORP·Filed 1986·Granted Dec 20, 1988·24 cites·13 claims
- 0581US4684563AElectrothermal transfer recording sheetSEIKO EPSON CORP·Filed 1984·Granted Aug 4, 1987·20 cites·15 claims
- 0680US4952770ALaser-beam processing method and systemKOMATSU MFG CO LTD·Filed 1987·Granted Aug 28, 1990·30 cites·10 claims
- 0779US9815140B2Power control method for fiber laser processing machine, and fiber laser processing machineKOMATSU IND CORP·Filed 2014·Granted Nov 14, 2017·3 cites·10 claims
- 0878USD690744SLaser processing machineKOMATZU NTC LTD·Filed 2013·Granted Oct 1, 2013·31 cites·1 claims
- 0977US12068429B2Method for manufacturing light-emitting elementNICHIA CORP·Filed 2022·Granted Aug 20, 2024·0 cites·18 claims
- 1075US6249566B1Apparatus for x-ray analysisRIGAKU DENKI CO LTD·Filed 1999·Granted Jun 19, 2001·37 cites·29 claims
- 1174US6823042B2Apparatus for X-ray analysis and apparatus for supplying X-raysRIGAKU DENKI CO LTD·Filed 2002·Granted Nov 23, 2004·12 cites·8 claims
- 1273US6970532B2Method and apparatus for measuring thin film, and thin film deposition systemRIGAKU DENKI CO LTD·Filed 2001·Granted Nov 29, 2005·13 cites·5 claims
- 1373US5448339AControl system for heat fixing apparatusIWATSU ELECTRIC CO LTD·Filed 1993·Granted Sep 5, 1995·26 cites·4 claims
- 1473US5127050AInformation processing apparatus separably combined with telephone unitHITACHI LTD·Filed 1989·Granted Jun 30, 1992·41 cites·11 claims
- 1571US4819108AApparatus for positioning magnetic headHITACHI LTD·Filed 1988·Granted Apr 4, 1989·18 cites·17 claims
- 1670US2025294927A1Nitride semiconductor light emitting elementNICHIA CORP·Filed 2025·Application pending·0 cites
- 1768US4929159AVariable-displacement rotary compressorHITACHI LTD·Filed 1988·Granted May 29, 1990·21 cites·16 claims
- 1866US9434392B2Collision energy absorption column and railroad vehicle provided with the collision energy absorption columnKAWASAKI HEAVY IND LTD·Filed 2013·Granted Sep 6, 2016·2 cites·15 claims
- 1964US12408490B2Light emitting elementNICHIA CORP·Filed 2023·Granted Sep 2, 2025·0 cites·21 claims
- 2064US11569413B2Method for manufacturing light-emitting elementNICHIA CORP·Filed 2020·Granted Jan 31, 2023·0 cites·11 claims
- 2164US9912123B2Semiconductor light emitting deviceNICHIA CORP·Filed 2014·Granted Mar 6, 2018·1 cites·17 claims
- 2263US9343865B2Laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted May 17, 2016·1 cites·10 claims
- 2363US4777551AMagnetic head supporting mechanism for flexible double-sided magnetic disksHITACHI LTD·Filed 1986·Granted Oct 11, 1988·14 cites·6 claims
- 2462US6962726B2Method for preparing substrate for flexible print wiring board, and substrate for flexible print wiring boardNIPPON KAYAKU KK·Filed 2001·Granted Nov 8, 2005·9 cites·7 claims
- 2562US5090220AAutomatic washing machine having tub posture tilting mechanismHITACHI INC·Filed 1990·Granted Feb 25, 1992·28 cites·28 claims
- 2660US4658315AMagnetic head mounting device of magnetic recording apparatusHITACHI LTD·Filed 1984·Granted Apr 14, 1987·11 cites·5 claims
- 2759US4636258AInk for thermal transfer printingEPSON CORP·Filed 1985·Granted Jan 13, 1987·15 cites·25 claims
- 2857US11611013B2Method for manufacturing light-emitting elementNICHIA CORP·Filed 2021·Granted Mar 21, 2023·0 cites·18 claims
- 2955US6333967B1X-ray generatorRIGAKU DENKI CO LTD·Filed 1999·Granted Dec 25, 2001·19 cites·26 claims
- 3053US2009021028A1Railway Car and Obstacle DeflectorHAYASHI SEIICHI·Filed 2007·Application pending·0 cites
- 3150US2024253153A1Laser processing apparatus and laser processing methodKOMATSU IND CORP·Filed 2022·Application pending·0 cites
- 3249US11538962B2Light-emitting element and method for manufacturing light-emitting elementNICHIA CORP·Filed 2020·Granted Dec 27, 2022·0 cites·12 claims
- 3349US4446364APhotoelectric converter on a transmissive substrate having light shieldingHITACHI LTD·Filed 1981·Granted May 1, 1984·19 cites·2 claims
- 3448US2015266134A1Fiber laser processing machine, fiber connection method and fiber laser oscillatorKOMATSU IND CORP·Filed 2013·Application pending·0 cites
- 3547US5878327AAntenna apparatus and information transmitting systemHITACHI ELECTRONICS·Filed 1995·Granted Mar 2, 1999·17 cites·31 claims
- 3646US2008236440A1Transportation deviceNAKAMURA HIDEYUKI·Filed 2007·Application pending·0 cites
- 3746US2015273387A1Assist gas generation apparatus for laser processing machineKOMATSU IND CORP·Filed 2013·Application pending·0 cites
- 3845US11063084B2Method for manufacturing light-emitting elementNICHIA CORP·Filed 2020·Granted Jul 13, 2021·0 cites·16 claims
- 3945US4675756AMagnetic recording and reproducing apparatusHITACHI LTD·Filed 1986·Granted Jun 23, 1987·7 cites·11 claims
- 4045US2015273633A1Thermal cutting machineKOMATSU IND CORP·Filed 2013·Application pending·0 cites
- 4144US9499179B2Railroad vehicle provided with low roof structureKAWASAKI HEAVY IND LTD·Filed 2013·Granted Nov 22, 2016·0 cites·14 claims
- 4244US4992893AAlignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatusHITACHI LTD·Filed 1987·Granted Feb 12, 1991·8 cites·30 claims
- 4343US4750068AMechanism for moving a magnetic headHITACHI LTD·Filed 1986·Granted Jun 7, 1988·10 cites·7 claims
- 4443US4739429AMagnetic head and support thereforeHITACHI LTD·Filed 1985·Granted Apr 19, 1988·6 cites·1 claims
- 4539US3989364AElectrophotographic copying apparatusHITACHI LTD·Filed 1975·Granted Nov 2, 1976·4 cites·2 claims
- 4636US4710782ACurrent-applying thermal transfer filmSEIKO EPSON CORP·Filed 1986·Granted Dec 1, 1987·3 cites·15 claims
- 4735US4000945AInformation recording apparatusHITACHI LTD·Filed 1975·Granted Jan 4, 1977·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →