Inventor · disambiguated record
Yuhzoh Tsuda
Also filed as: TSUDA YUHZOH
39 granted patents·8 pending applications·1,465 citations·filing 1999–2023
98Inventor score
Files withSHARP KK38TSUDA YUHZOH4SHARP FUKUYAMA LASER CO LTD2STANLEY ELECTRIC CO LTD2ARAKI MASAHIRO1
Top patents by PatentIndex Score
47 records- 0198US6858882B2Nitride semiconductor light-emitting device and optical device including the sameSHARP KK·Filed 2001·Granted Feb 22, 2005·257 cites·27 claims
- 0298US6455877B1III-N compound semiconductor deviceSHARP KK·Filed 2000·Granted Sep 24, 2002·138 cites·25 claims
- 0397US6399966B1Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the sameSHARP KK·Filed 2001·Granted Jun 4, 2002·80 cites·10 claims
- 0497US6335546B1Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting deviceSHARP KK·Filed 1999·Granted Jan 1, 2002·250 cites·15 claims
- 0594US6984841B2Nitride semiconductor light emitting element and production thereofSHARP KK·Filed 2002·Granted Jan 10, 2006·49 cites·31 claims
- 0694US6614824B2Nitride semiconductor laser device and optical device using the sameSHARP KK·Filed 2001·Granted Sep 2, 2003·52 cites·12 claims
- 0793US6620238B2Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting deviceSHARP KK·Filed 2001·Granted Sep 16, 2003·58 cites·12 claims
- 0892US7579627B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2006·Granted Aug 25, 2009·14 cites·17 claims
- 0991US6294440B1Semiconductor substrate, light-emitting device, and method for producing the sameSHARP KK·Filed 1999·Granted Sep 25, 2001·93 cites·33 claims
- 1090US7064357B2Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2001·Granted Jun 20, 2006·27 cites·10 claims
- 1190US6586777B1Nitride semiconductor light emitting deviceSHARP KK·Filed 2000·Granted Jul 1, 2003·52 cites·14 claims
- 1289US7573924B2Nitride semiconductor laser deviceSHARP KK·Filed 2005·Granted Aug 11, 2009·12 cites·11 claims
- 1389US6518602B1Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2000·Granted Feb 11, 2003·70 cites·12 claims
- 1488US6586779B2Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the sameSHARP KK·Filed 2002·Granted Jul 1, 2003·23 cites·3 claims
- 1588US6586316B2Method for producing a semiconductor substrateSHARP KK·Filed 2002·Granted Jul 1, 2003·46 cites·6 claims
- 1687US7462882B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2004·Granted Dec 9, 2008·20 cites·6 claims
- 1787US6924512B2Nitride semiconductor light-emitting device and optical apparatus including the sameSHARP KK·Filed 2001·Granted Aug 2, 2005·59 cites·16 claims
- 1883US7352012B2Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2006·Granted Apr 1, 2008·7 cites·3 claims
- 1982US7858992B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2009·Granted Dec 28, 2010·5 cites·2 claims
- 2080US11128105B2Semiconductor laser deviceSHARP KK·Filed 2020·Granted Sep 21, 2021·1 cites·7 claims
- 2180US7709858B2Nitride semiconductor light emitting deviceSHARP KK·Filed 2005·Granted May 4, 2010·7 cites·19 claims
- 2279US7663158B2Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2007·Granted Feb 16, 2010·4 cites·3 claims
- 2379US7012283B2Nitride semiconductor light emitting element and optical device containing itSHARP KK·Filed 2001·Granted Mar 14, 2006·33 cites·46 claims
- 2479US6815728B2Nitride semiconductor light-emitting device and optical device and light-emitting apparatus with the nitride semiconductor light-emitting deviceSHARP KK·Filed 2002·Granted Nov 9, 2004·31 cites·10 claims
- 2579US6617607B2Nitride semiconductor laser device and optical pickup apparatus therewithSHARP KK·Filed 2001·Granted Sep 9, 2003·13 cites·14 claims
- 2676US6881981B2Nitride semiconductor light emitting device chipSHARP KK·Filed 2001·Granted Apr 19, 2005·26 cites·24 claims
- 2771US6891201B2Nitride semiconductor laser element and optical device containing itSHARP KK·Filed 2002·Granted May 10, 2005·10 cites·28 claims
- 2871US6452216B1Nitride semiconductor light emitting device and apparatus including the sameSHARP KK·Filed 2001·Granted Sep 17, 2002·13 cites·11 claims
- 2970US8076165B2Method of manufacturing p-type nitride semiconductor and semiconductor device fabricated by the methodTSUDA YUHZOH·Filed 2006·Granted Dec 13, 2011·3 cites·8 claims
- 3065US12407146B2Vertical cavity light-emitting element and manufacturing method of the sameSTANLEY ELECTRIC CO LTD·Filed 2022·Granted Sep 2, 2025·0 cites·9 claims
- 3165US8085826B2Nitride semiconductor laser deviceTSUDA YUHZOH·Filed 2009·Granted Dec 27, 2011·2 cites·17 claims
- 3260US7515621B2Nitride semiconductor laser elementSHARP KK·Filed 2007·Granted Apr 7, 2009·1 cites·6 claims
- 3360US6891189B2Nitride semiconductor laser device and optical pickup apparatus therewithSHARP KK·Filed 2003·Granted May 10, 2005·4 cites·11 claims
- 3458US2025364787A1Vertical cavity light-emitting element and manufacturing method thereofSTANLEY ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 3557US10389089B2Nitride semiconductor laser deviceSHARP KK·Filed 2018·Granted Aug 20, 2019·0 cites·7 claims
- 3654US2021184428A1Semiconductor laser elementSHARP FUKUYAMA LASER CO LTD·Filed 2020·Application pending·0 cites
- 3754US2021194211A1Semiconductor laser deviceSHARP FUKUYAMA LASER CO LTD·Filed 2020·Application pending·0 cites
- 3853US6909120B2Nitride semiconductor luminous element and optical device including itSHARP KK·Filed 2001·Granted Jun 21, 2005·3 cites·32 claims
- 3952US6765233B2Semiconductor substrate, light emitting device, and method for producing the sameSHARP KK·Filed 2001·Granted Jul 20, 2004·2 cites·25 claims
- 4051US11133651B2Nitride semiconductor laser device and semiconductor laser apparatusSHARP KK·Filed 2019·Granted Sep 28, 2021·0 cites·10 claims
- 4149US8311070B2Nitride semiconductor laser deviceTSUDA YUHZOH·Filed 2011·Granted Nov 13, 2012·0 cites·11 claims
- 4249US7733935B2Nitride semiconductor laser device and method of producing the sameSHARP KK·Filed 2008·Granted Jun 8, 2010·0 cites·6 claims
- 4346US2010002738A1Nitride-based semiconductor light-emitting deviceSHARP KK·Filed 2009·Application pending·0 cites
- 4446US2012049328A1Method of manufacturing p-type nitride semiconductor and semiconductor device fabricated by the methodTSUDA YUHZOH·Filed 2011·Application pending·0 cites
- 4546US2009059984A1Nitride-based semiconductor light-emitting deviceSHARP KK·Filed 2008·Application pending·0 cites
- 4641US2020185883A1Nitride semiconductor laser device and method for producing nitride semiconductor laser deviceSHARP KK·Filed 2019·Application pending·0 cites
- 4739US2006057824A1Apparatus for producing nitride semiconductor, method for producing nitride semiconductor, and semiconductor laser device obtained by the methodARAKI MASAHIRO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →