Inventor · disambiguated record
Shiro Sakai
Also filed as: SAKAI SHIRO
58 granted patents·15 pending applications·930 citations·filing 1974–2017
99Inventor score
Files withSAKAI SHIRO23SEOUL SEMICONDUCTOR CO LTD10NITRIDE SEMICONDUCTORS CO LTD6SEOUL OPTO DEVICE CO LTD5SEOUL VIOSYS CO LTD5
Top patents by PatentIndex Score
73 records- 0198US7417259B2Light-emitting device having light-emitting elementsSEOUL SEMICONDUCTOR CO LTD·Filed 2003·Granted Aug 26, 2008·126 cites·10 claims
- 0296US8026119B2Method of fabricating semiconductor substrate and method of fabricating light emitting deviceSEOUL OPTO DEVICE CO LTD·Filed 2010·Granted Sep 27, 2011·20 cites·73 claims
- 0395US7569861B2Light emitting device having light emitting elementsSEOUL SEMICONDUCTOR CO LTD·Filed 2009·Granted Aug 4, 2009·20 cites·10 claims
- 0494US8129729B2Light emitting device having light emitting elements and an air bridge lineSAKAI SHIRO·Filed 2008·Granted Mar 6, 2012·16 cites·11 claims
- 0594US7646031B2Light emitting device having light emitting elementsSEOUL SEMICONDUCTOR CO LTD·Filed 2009·Granted Jan 12, 2010·15 cites·10 claims
- 0691US8097889B2Light emitting device having light emitting elements with a shared electrodeSAKAI SHIRO·Filed 2009·Granted Jan 17, 2012·10 cites·11 claims
- 0791US7956367B2Light-emitting device having light-emitting elements connected in seriesSEOUL SEMICONDUCTOR CO LTD·Filed 2007·Granted Jun 7, 2011·11 cites·20 claims
- 0891US7667237B2Light emitting device having light emitting elementsSEOUL SEMICONDUCTOR CO LTD·Filed 2009·Granted Feb 23, 2010·10 cites·13 claims
- 0991US4963508AMethod of making an epitaxial gallium arsenide semiconductor wafer using a strained layer superlatticeDAIDO STEEL CO LTD·Filed 1990·Granted Oct 16, 1990·158 cites·3 claims
- 1090US7897982B2Light emitting device having common N-electrodeSEOUL SEMICONDUCTOR CO LTD·Filed 2008·Granted Mar 1, 2011·9 cites·6 claims
- 1190US6475882B1Method for producing GaN-based compound semiconductor and GaN-based compound semiconductor deviceNITRIDE SEMICONDUCTORS CO LTD·Filed 2000·Granted Nov 5, 2002·51 cites·21 claims
- 1289US8735911B2Light emitting device having shared electrodesSAKAI SHIRO·Filed 2012·Granted May 27, 2014·5 cites·20 claims
- 1388US8084774B2Light emitting device having light emitting elementsSAKAI SHIRO·Filed 2009·Granted Dec 27, 2011·8 cites·7 claims
- 1487US6884647B2Method for roughening semiconductor surfaceNITRIDE SEMICONDUCTORS CO LTD·Filed 2002·Granted Apr 26, 2005·38 cites·3 claims
- 1587US4928154AEpitaxial gallium arsenide semiconductor on silicon substrate with gallium phosphide and superlattice intermediate layersDAIDO STEEL CO LTD·Filed 1989·Granted May 22, 1990·74 cites·7 claims
- 1686US8680533B2Light-emitting device having light-emitting elements with a shared electrodeSAKAI SHIRO·Filed 2010·Granted Mar 25, 2014·4 cites·8 claims
- 1784US7372066B2Gallium nitride compound semiconductor device and manufacturing methodNITRIDE SEMICONDUCTORS CO LTD·Filed 2003·Granted May 13, 2008·69 cites·9 claims
- 1881US9947717B2Light-emitting device having light-emitting elements and electrode spaced apart from the light emitting elementSEOUL SEMICONDUCTOR CO LTD·Filed 2013·Granted Apr 17, 2018·2 cites·10 claims
- 1981US7615793B2AC driven light—emitting deviceSEOUL SEMICONDUCTOR CO LTD·Filed 2009·Granted Nov 10, 2009·4 cites·6 claims
- 2080US8697551B2Crystalline aluminum carbide thin film, semiconductor substrate having the aluminum carbide thin film formed thereon and method of fabricating the sameSEOUL OPTO DEVICE CO LTD·Filed 2013·Granted Apr 15, 2014·3 cites·16 claims
- 2180US7015511B2Gallium nitride-based light emitting device and method for manufacturing the sameSHIRO SAKAI·Filed 2002·Granted Mar 21, 2006·27 cites·14 claims
- 2280US6666921B2Chemical vapor deposition apparatus and chemical vapor deposition methodJAPAN PIONICS·Filed 2002·Granted Dec 23, 2003·23 cites·16 claims
- 2379US8735918B2Light-emitting device having light-emitting elements with polygonal shapeSAKAI SHIRO·Filed 2010·Granted May 27, 2014·2 cites·14 claims
- 2477US6517885B2Process for preparation of mustard powder and mustard cakeSAKAI SHIRO·Filed 2001·Granted Feb 11, 2003·7 cites·18 claims
- 2576US8609449B2Method of fabricating semiconductor substrate and method of fabricating light emitting deviceSEOUL OPTO DEVICE CO LTD·Filed 2012·Granted Dec 17, 2013·2 cites·19 claims
- 2675US8329488B2Method of fabricating semiconductor substrate and method of fabricating light emitting deviceKIM CHANG YOUN·Filed 2012·Granted Dec 11, 2012·2 cites·12 claims
- 2775US8183075B2Method of fabricating semiconductor substrate and method of fabricating light emitting deviceKIM CHANG YOUN·Filed 2011·Granted May 22, 2012·2 cites·18 claims
- 2875US7067838B1Gallium-nitride-based light-emitting apparatusNITRIDE SEMICONDUCTORS CO LTD·Filed 2004·Granted Jun 27, 2006·26 cites·20 claims
- 2974US8624291B2Crystalline aluminum carbide thin film, semiconductor substrate having the aluminum carbide thin film formed thereon and method of fabricating the sameSAKAI SHIRO·Filed 2011·Granted Jan 7, 2014·2 cites·8 claims
- 3073US8294183B2Semiconductor substrate, method of fabricating the same, semiconductor device, and method of fabricating the sameSAKAI SHIRO·Filed 2009·Granted Oct 23, 2012·3 cites·25 claims
- 3171US6592674B2Chemical vapor deposition apparatus and chemical vapor deposition methodJAPAN PIONICS·Filed 2001·Granted Jul 15, 2003·11 cites·12 claims
- 3271US6198112B1III-V compound semiconductor luminescent deviceSHARP KK·Filed 1997·Granted Mar 6, 2001·30 cites·9 claims
- 3369US8860183B2Semiconductor substrate, semiconductor device, and manufacturing methods thereofSAKAI SHIRO·Filed 2010·Granted Oct 14, 2014·1 cites·28 claims
- 3469US6861270B2Method for manufacturing gallium nitride compound semiconductor and light emitting elementSAKAI SHIRO·Filed 2002·Granted Mar 1, 2005·17 cites·13 claims
- 3567US9299779B2Semiconductor substrate and method of fabricating the sameSAKAI SHIRO·Filed 2011·Granted Mar 29, 2016·1 cites·15 claims
- 3667US9006084B2Method of preparing semiconductor layer including cavitiesSAKAI SHIRO·Filed 2012·Granted Apr 14, 2015·1 cites·10 claims
- 3767US8481411B2Method of manufacturing a semiconductor substrate having a cavitySAKAI SHIRO·Filed 2011·Granted Jul 9, 2013·1 cites·14 claims
- 3867US7005685B2Gallium-nitride-based compound semiconductor deviceNITRIDE SEMICONDUCTORS CO LTD·Filed 2003·Granted Feb 28, 2006·14 cites·16 claims
- 3965US7700940B2Gallium nitride-based compound semiconductor deviceNITRIDE SEMICONDUCTOR CO LTD·Filed 2003·Granted Apr 20, 2010·19 cites·12 claims
- 4064US4496598AProcess for preparing mustard flourSAKAI SHIRO·Filed 1982·Granted Jan 29, 1985·24 cites·7 claims
- 4163US2015108497A1Light-emitting device having light-emitting elementsSEOUL SEMICONDUCTOR CO LTD·Filed 2014·Application pending·0 cites
- 4263US2017154922A1Light-emitting device having an array of light-emitting elementsSEOUL SEMICONDUCTOR CO LTD·Filed 2017·Application pending·0 cites
- 4361US10128403B2Semiconductor substrate, semiconductor device, and manufacturing methods thereofSEOUL VIOSYS CO LTD·Filed 2017·Granted Nov 13, 2018·0 cites·19 claims
- 4461US9425347B2Semiconductor substrate, semiconductor device, and manufacturing methods thereofSEOUL VIOSYS CO LTD·Filed 2014·Granted Aug 23, 2016·0 cites·5 claims
- 4560US5446275AElectron multiplying device having multiple dynode stages encased by a housingHAMAMATSU PHOTONICS KK·Filed 1993·Granted Aug 29, 1995·15 cites·21 claims
- 4659US9773940B2Semiconductor substrate, semiconductor device, and manufacturing methods thereofSEOUL VIOSYS CO LTD·Filed 2016·Granted Sep 26, 2017·0 cites·8 claims
- 4758US2012305951A1Light-emitting device having light-emitting elementsSAKAI SHIRO·Filed 2012·Application pending·0 cites
- 4857US5578891AElectron multiplierHAMAMATSU PHOTONICS KK·Filed 1995·Granted Nov 26, 1996·13 cites·9 claims
- 4956US9202685B2Method of manufacturing a compound semiconductor substrate in a flattened growth substrateSEOUL VIOSYS CO LTD·Filed 2012·Granted Dec 1, 2015·0 cites·20 claims
- 5055US7760784B2Laser diode having nano patterns and method of fabricating the sameSEOUL OPTO DEVICE CO LTD·Filed 2008·Granted Jul 20, 2010·0 cites·19 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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