Inventor · disambiguated record
Shiro Yamazaki
Also filed as: SHIMIZU SUSUMU · YAMAZAKI SHIRO
77 granted patents·10 pending applications·1,009 citations·filing 1975–2020
99Inventor score
Top patents by PatentIndex Score
87 records- 0198US7138286B2Light-emitting semiconductor device using group III nitrogen compoundTOYODA GOSEI KK·Filed 2005·Granted Nov 21, 2006·47 cites·2 claims
- 0291US5862167ALight-emitting semiconductor device using gallium nitride compoundTOYODA GOSEI KK·Filed 1997·Granted Jan 19, 1999·177 cites·5 claims
- 0390US7052979B2Production method for semiconductor crystal and semiconductor luminous elementTOYODA GOSEI KK·Filed 2002·Granted May 30, 2006·56 cites·5 claims
- 0489US7459023B2Method for producing semiconductor crystalTOYODA GOSEI KK·Filed 2006·Granted Dec 2, 2008·7 cites·20 claims
- 0589US5278433ALight-emitting semiconductor device using gallium nitride group compound with double layer structures for the n-layer and/or the i-layerTOYODA GOSEI KK·Filed 1992·Granted Jan 11, 1994·86 cites·19 claims
- 0687US6005258ALight-emitting semiconductor device using group III Nitrogen compound having emission layer doped with donor and acceptor impuritiesTOYODA GOSEI KK·Filed 1997·Granted Dec 21, 1999·69 cites·13 claims
- 0787US4863505ANovel derivative of azole, and agricultural and horticultural composition containing the same as an active incredientKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Sep 5, 1989·20 cites·14 claims
- 0886US6362017B1Light-emitting semiconductor device using gallium nitride group compoundTOYODA GOSEI KK·Filed 2000·Granted Mar 26, 2002·44 cites·24 claims
- 0985US6265726B1Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensityTOYODA GOSEI KK·Filed 1999·Granted Jul 24, 2001·62 cites·9 claims
- 1085US5733796ALight-emitting semiconductor device using gallium nitride group compoundTOYODA GOSEI KK·Filed 1995·Granted Mar 31, 1998·77 cites·2 claims
- 1183US7867800B2Light-emitting semiconductor device using group III nitrogen compoundTOYODA GOSEI KK·Filed 2007·Granted Jan 11, 2011·5 cites·3 claims
- 1283US5700713ALight emitting semiconductor device using group III nitride compound and method of producing the sameTOYODA GOSEI KK·Filed 1995·Granted Dec 23, 1997·76 cites·10 claims
- 1382US4795484AHerbicidal composition containing a derivative of 1,2,4-triazole as an active ingredientKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Jan 3, 1989·18 cites·15 claims
- 1480US8507364B2N-type group III nitride-based compound semiconductor and production method thereforNAGAI SEIJI·Filed 2009·Granted Aug 13, 2013·4 cites·11 claims
- 1580US5583879AGallum nitride group compound semiconductor laser diodeTOYODA GOSEI KK·Filed 1995·Granted Dec 10, 1996·48 cites·7 claims
- 1679US8084281B2Semiconductor substrate, electronic device, optical device, and production methods thereforSHIBATA NAOKI·Filed 2007·Granted Dec 27, 2011·6 cites·20 claims
- 1777US7332366B2Light-emitting semiconductor device using group III nitrogen compoundTOYODA GOSEI KK·Filed 2006·Granted Feb 19, 2008·3 cites·2 claims
- 1874US5587593ALight-emitting semiconductor device using group III nitrogen compoundTOYODA GOSEI KK·Filed 1995·Granted Dec 24, 1996·55 cites·1 claims
- 1972US11280024B2Method for producing a group III nitride semiconductor by controlling the oxygen concentration of the furnace internal atmosphereTOYODA GOSEI KK·Filed 2020·Granted Mar 22, 2022·0 cites·5 claims
- 2071US7084421B2Light-emitting device using group III nitride group compound semiconductorTOYODA GOSEI KK·Filed 2000·Granted Aug 1, 2006·20 cites·26 claims
- 2170US10329687B2Method for producing Group III nitride semiconductor including growing Group III nitride semiconductor through flux methodTOYODA GOSEI KK·Filed 2017·Granted Jun 25, 2019·1 cites·20 claims
- 2270US9567693B2Method for producing a group III nitride semiconductor single crystal and method for producing a GaN substrateTOYODA GOSEI KK·Filed 2013·Granted Feb 14, 2017·2 cites·13 claims
- 2370US4973353A1,5-diphenyl-1H-1,2,4-triazole-3-carboxamide derivatives and herbicidal composition containing the sameKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Nov 27, 1990·9 cites·10 claims
- 2467US4820334A1,2,4-triazole-3-carboxamide compound and a herbicidal composition containing the sameKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Apr 11, 1989·11 cites·9 claims
- 2567US2014239313A1Light-emitting semiconductor device using group iii nitrogen compoundTOYODA GOSEI KK·Filed 2014·Application pending·0 cites
- 2666US6083535AEffervescent granular preparation for keeping cut flower freshnessKUREHA CHEMICAL IND CO LTD·Filed 1996·Granted Jul 4, 2000·15 cites·13 claims
- 2766US4007279AFungicidesKUREHA CHEMICAL IND CO LTD·Filed 1975·Granted Feb 8, 1977·5 cites·8 claims
- 2864US9263258B2Method for producing group III nitride-based compound semiconductor, wafer, and group III nitride-based compound semiconductor deviceNAGAI SEIJI·Filed 2009·Granted Feb 16, 2016·2 cites·20 claims
- 2964US8227324B2Method for producing group III nitride-based compound semiconductor crystalYAMAZAKI SHIRO·Filed 2007·Granted Jul 24, 2012·2 cites·20 claims
- 3062US2012217510A1Light-emitting semiconductor device using group iii nitrogen compoundMANABE KATSUHIDE·Filed 2012·Application pending·0 cites
- 3161US9388506B2Semiconductor crystal removal apparatus and production method for semiconductor crystalTOYODA GOSEI KK·Filed 2013·Granted Jul 12, 2016·0 cites·8 claims
- 3261US6607595B1Method for producing a light-emitting semiconductor deviceTOYODA GOSEI KK·Filed 2000·Granted Aug 19, 2003·8 cites·100 claims
- 3361US6472690B1Gallium nitride group compound semiconductorTOYODA GOSEI KK·Filed 2000·Granted Oct 29, 2002·7 cites·37 claims
- 3459US5127937AN-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives, and herbicidal compositionsKUREHA CHEMICAL IND CO LTD·Filed 1990·Granted Jul 7, 1992·5 cites·5 claims
- 3559US2011101412A1Light-emitting semiconductor device using group III nitrogen compoundTOYODA GOSEI KK·Filed 2011·Application pending·0 cites
- 3657US4071633AFungicidal N-trichloroacetyl-N'-chlorobenzoylhydrazine derivativesKUREHA CHEMICAL IND CO LTD·Filed 1977·Granted Jan 31, 1978·4 cites·7 claims
- 3757US4041170AField and garden agricultural fungicideKUREHA CHEMICAL IND CO LTD·Filed 1976·Granted Aug 9, 1977·3 cites·4 claims
- 3856US7001790B2Light-emitting aluminum gallium indium nitride compound semiconductor device having an improved luminous intensityTOYODA GOSEI KK·Filed 2001·Granted Feb 21, 2006·3 cites·3 claims
- 3955US6249012B1Light emitting semiconductor device using gallium nitride group compoundTOYODA GOSEI KK·Filed 1997·Granted Jun 19, 2001·13 cites·9 claims
- 4055US4561877ADerivatives of tetrahydrobenzothiazole and herbicidal compositions containing the same as active ingredientKUREHA CHEMICAL IND CO LTD·Filed 1984·Granted Dec 31, 1985·3 cites·10 claims
- 4153US8343239B2Group III nitride semiconductor manufacturing systemTOYODA GOSEI KK·Filed 2008·Granted Jan 1, 2013·0 cites·20 claims
- 4253US6984536B2Method for manufacturing a gallium nitride group compound semiconductorUNIV NAGOYA·Filed 2002·Granted Jan 10, 2006·4 cites·51 claims
- 4352US7708833B2Crystal growing apparatusTOYODA GOSEI KK·Filed 2008·Granted May 4, 2010·0 cites·20 claims
- 4452US4166129AAgricultural and horticultural n-benzoyl-n'-trichloroethylidene hydrazine fungicidesKUREHA CHEMICAL IND CO LTD·Filed 1977·Granted Aug 28, 1979·3 cites·22 claims
- 4551US8361222B2Method for producing group III nitride-based compound semiconductorTOYODA GOSEI KK·Filed 2008·Granted Jan 29, 2013·0 cites·11 claims
- 4651US8349079B2Apparatus for manufacturing group III nitride semiconductorTOYODA GOSEI KK·Filed 2008·Granted Jan 8, 2013·0 cites·19 claims
- 4751US4992093AAzolylcyclopentanol derivatives and agricultural and horticultural composition containing the same as active ingredientsKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Feb 12, 1991·3 cites·15 claims
- 4851US4902805ADerivatives of dihydrotriazole, and herbicidal compositions containing the same as an active ingredientKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Feb 20, 1990·3 cites·7 claims
- 4951US2009126623A1Apparatus for producing group III element nitride semiconductor and method for producing the semiconductorTOYODA GOSEI KK·Filed 2008·Application pending·0 cites
- 5050US8216365B2Method for producing a semiconductor crystalNAGAI SEIJI·Filed 2008·Granted Jul 10, 2012·0 cites·18 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →