Inventor · disambiguated record
Shigeru Hayashida
Also filed as: HAYASHIDA SHIGERU
46 granted patents·4 pending applications·554 citations·filing 1987–2017
98Inventor score
Files withHITACHI CHEMICAL CO LTD25NIPPON OXYGEN CO LTD8TAIYO NIPPON SANSO CORP6HITACHI LTD3TOYOTA MOTOR CO LTD2
Top patents by PatentIndex Score
50 records- 0188US6321565B1Method and apparatus for the production of heavy oxygen waterNIPPON OXYGEN CO LTD·Filed 2000·Granted Nov 27, 2001·47 cites·32 claims
- 0285US5484685ANaphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereofHITACHI LTD·Filed 1991·Granted Jan 16, 1996·23 cites·25 claims
- 0384US6835287B1Apparatus, method for enrichment of the heavy isotope oxygen and production method for heavy oxygen waterNIPPON OXYGEN CO LTD·Filed 2000·Granted Dec 28, 2004·37 cites·4 claims
- 0482US6565629B1Vapor-liquid contactor, cryogenic air separation unit and method of gas separationNIPPON OXYGEN CO LTD·Filed 1999·Granted May 20, 2003·49 cites·2 claims
- 0582US6461583B1Method for enrichment of heavy component of oxygen isotopesNIPPON OXYGEN CO LTD·Filed 1999·Granted Oct 8, 2002·48 cites·25 claims
- 0681US5034309ANaphthalocyanine derivatives and their use in optical recording mediumHITACHI CHEMICAL CO LTD·Filed 1988·Granted Jul 23, 1991·13 cites·20 claims
- 0779US6605134B2Method and apparatus for collecting rare gasNIPPON OXYGEN CO LTD·Filed 2001·Granted Aug 12, 2003·29 cites·6 claims
- 0878US5837804APolyimides and optical parts obtained by using the sameHITACHI CHEMICAL CO LTD·Filed 1996·Granted Nov 17, 1998·52 cites·19 claims
- 0977US7828939B2Method for concentrating heavy nitrogen isotopeTAIYO NIPPON SANSO CORP·Filed 2007·Granted Nov 9, 2010·3 cites·9 claims
- 1075US5304445APhthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the sameHITACHI CHEMICAL CO LTD·Filed 1993·Granted Apr 19, 1994·10 cites·4 claims
- 1174US10049952B2Method of fabricating a semiconductor module with a inclined groove formed in resin side surfaceTOYOTA MOTOR CO LTD·Filed 2017·Granted Aug 14, 2018·2 cites·6 claims
- 1274US5428152ABis(trialkylsiloxy)silicon naphthalocyanine compounds wherein all the alkyl groups are the same and have 1-3 carbon atomsHITACHI CHEMICAL CO LTD·Filed 1993·Granted Jun 27, 1995·11 cites·5 claims
- 1373US9895662B2Method for enriching oxygen isotopeTAIYO NIPPON SANSO CORP·Filed 2013·Granted Feb 20, 2018·2 cites·7 claims
- 1473US4749637AElectrophotographic plate with silicon naphthalocyanineHITACHI CHEMICAL CO LTD·Filed 1987·Granted Jun 7, 1988·13 cites·6 claims
- 1569US6560990B2Vapor-liquid contactor, cryogenic air separation unit and method of gas separationNIPPON OXYGEN CO LTD·Filed 2002·Granted May 13, 2003·15 cites·18 claims
- 1668US7824194B2Case with connector and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2007·Granted Nov 2, 2010·6 cites·2 claims
- 1767US8337802B2Method for concentrating oxygen isotope or isotopesKIHARA HITOSHI·Filed 2006·Granted Dec 25, 2012·4 cites·9 claims
- 1867US7297237B2Method and device for separation and concentration by evaporation of mixture with separation factor of approx. 1KOICHI ASANO·Filed 2001·Granted Nov 20, 2007·17 cites·14 claims
- 1966US5214188A2,3-dicyanonaphthalene derivativesHITACHI LTD·Filed 1991·Granted May 25, 1993·7 cites·6 claims
- 2066US5081236AElectrophotographic plate containing naphthalocyanines which contain siloxy groupsHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jan 14, 1992·6 cites·21 claims
- 2165US6752851B2Gas separating and purifying method and its apparatusNIPPON OXYGEN CO LTD·Filed 2001·Granted Jun 22, 2004·12 cites·10 claims
- 2264US7393447B2Apparatus, method for enrichment of the heavy isotopes of oxygen and production method for heavy oxygen waterTAIYO NIPPON SANSO CORP·Filed 2004·Granted Jul 1, 2008·11 cites·8 claims
- 2364US4886721AElectrophotographic plate by use of metal naphthalocyanine derivativeHITACHI CHEMICAL CO LTD·Filed 1988·Granted Dec 12, 1989·11 cites·13 claims
- 2462US5352834AElectrophotographic memberHITACHI CHEMICAL CO LTD·Filed 1992·Granted Oct 4, 1994·10 cites·5 claims
- 2558US4842970AElectrophotographic plate containing a naphthalocyanine compoundHITACHI CHEMICAL CO LTD·Filed 1988·Granted Jun 27, 1989·10 cites·9 claims
- 2655US7893377B2Method for concentrating oxygen isotopeTAIYO NIPPON SANSO CORP·Filed 2004·Granted Feb 22, 2011·3 cites·6 claims
- 2754US2011094873A1Oxygen isotope concentration methodTAIYO NIPPON SANSO CORP·Filed 2010·Application pending·0 cites
- 2854US2011094874A1Oxygen isotope concentration methodTAIYO NIPPON SANSO CORP·Filed 2010·Application pending·0 cites
- 2953US5219706ANaphthalocyanine derivative and production process thereof, as well as optical information recording media using the derivatives and production process thereofHITACHI CHEMICAL CO LTD·Filed 1992·Granted Jun 15, 1993·4 cites·17 claims
- 3052US5449581APhthalocyanine composition, process for preparing the same, electrophotographic photoreceptor using the same and coating solution for charge generation layer containing the sameHITACHI CHEMICAL CO LTD·Filed 1993·Granted Sep 12, 1995·9 cites·12 claims
- 3151US5494767APhthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the sameHITACHI CHEMICAL COMPANY CO LT·Filed 1994·Granted Feb 27, 1996·3 cites·10 claims
- 3249US5160487AElectrophotographic memberHITACHI CHEMICAL CO LTD·Filed 1991·Granted Nov 3, 1992·6 cites·14 claims
- 3348US5837411APhthalocyanine electrophotographic photoreceptor for charge generation layerHITACHI CHEMICAL CO LTD·Filed 1996·Granted Nov 17, 1998·7 cites·13 claims
- 3446US5021563AMetal naphthalocyanine derivative and process for producing the sameHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jun 4, 1991·5 cites·10 claims
- 3545US5938980APhthalocyanine composition, process for preparing the same, electrophotographic photoreceptor using the same and coating solution for charge generation layer containing the sameHITACHI CHEMICAL CO LTD·Filed 1998·Granted Aug 17, 1999·6 cites·14 claims
- 3643US5626999APhthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the sameHITACHI CHEMICAL CO LTD·Filed 1995·Granted May 6, 1997·7 cites·4 claims
- 3743US5534375AComposition for forming charge transport layer and electrophotographic member containing alkoxybenzeneHITACHI CHEMICAL CO LTD·Filed 1994·Granted Jul 9, 1996·6 cites·8 claims
- 3843US5496672ACoating solution for charge generation layer and electrophotographic photoreceptor using sameHITACHI CHEMICAL CO LTD·Filed 1994·Granted Mar 5, 1996·6 cites·22 claims
- 3943US5272030AElectrophotographic member comprising enamine derivativesHITACHI CHEMICAL CO LTD·Filed 1991·Granted Dec 21, 1993·2 cites·5 claims
- 4042US5958637AElectrophotographic photoreceptor and coating solution for production of charge transport layerHITACHI CHEMICAL CO LTD·Filed 1997·Granted Sep 28, 1999·6 cites·23 claims
- 4142US5733481AComposition for use in the formation of an active light waveguide, method for manufacturing an active light waveguide using the composition, and active light waveguideHITACHI CHEMICAL CO LTD·Filed 1994·Granted Mar 31, 1998·12 cites·6 claims
- 4242US2009045043A1Method and apparatus for concentrating oxygen isotopesTATSUMI YASUO·Filed 2006·Application pending·0 cites
- 4341US6202440B1Process and apparatus for separation of stable isotope compoundNIPPON OXYGEN CO LTD·Filed 1998·Granted Mar 20, 2001·15 cites·22 claims
- 4441US5188922AOptical recording mediumHITACHI CHEMICAL CO LTD·Filed 1991·Granted Feb 23, 1993·2 cites·2 claims
- 4541US2013327632A1Photochemical reaction device and isotope enrichment method using the deviceHAYASHIDA SHIGERU·Filed 2012·Application pending·0 cites
- 4640US4833264A5- or 6-alkoxycarbonyl-2,3-dicyanonaphthalenesHITACHI CHEMICAL CO LTD·Filed 1988·Granted May 23, 1989·1 cites·9 claims
- 4739US5382687AEnamine derivativesHITACHI CHEMICAL CO LTD·Filed 1993·Granted Jan 17, 1995·1 cites·4 claims
- 4838US5403958AElectrophotographic memberHITACHI CHEMICAL CO LTD·Filed 1993·Granted Apr 4, 1995·3 cites·5 claims
- 4934US8598868B2Gasket for sealing valve or pipe, determination method of deterioration and damages of gasket, and high-pressure gas supplying equipmentABE TOMONOBU·Filed 2007·Granted Dec 3, 2013·0 cites·3 claims
- 5031US5233089AEnamine derivativesHITACHI LTD·Filed 1987·Granted Aug 3, 1993·2 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Shigeru Hayashida 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 →