Inventor · disambiguated record
Yukio Yamasaki
Also filed as: YAMASAKI YUKIO
20 granted patents·3 pending applications·238 citations·filing 2000–2015
95Inventor score
Top patents by PatentIndex Score
23 records- 0192US7724793B2Nitride semiconductor laser element and fabrication method thereofSHARP KK·Filed 2006·Granted May 25, 2010·22 cites·26 claims
- 0291US6737678B2Nitride semiconductor device and fabrication method thereofSHARP KK·Filed 2002·Granted May 18, 2004·32 cites·25 claims
- 0391US6670647B1Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting elementSHARP KK·Filed 2000·Granted Dec 30, 2003·36 cites·15 claims
- 0489US7041523B2Method of fabricating nitride semiconductor deviceSHARP KK·Filed 2004·Granted May 9, 2006·26 cites·19 claims
- 0586US7177336B2Semiconductor laser deviceSHARP KK·Filed 2003·Granted Feb 13, 2007·20 cites·19 claims
- 0684US6493367B1Semiconductor laser device and optical information reproduction apparatusSHARP KK·Filed 2000·Granted Dec 10, 2002·21 cites·21 claims
- 0783US7421000B2Semiconductor laser deviceSHARP KK·Filed 2007·Granted Sep 2, 2008·6 cites·7 claims
- 0880US6556603B1Nitride-contained semiconductor laser element and optical information reproducing deviceSHARP KK·Filed 2000·Granted Apr 29, 2003·16 cites·16 claims
- 0979US8059691B2Nitride semiconductor laser device and method of producing the sameYAMASAKI YUKIO·Filed 2010·Granted Nov 15, 2011·4 cites·11 claims
- 1077US7167489B2GaN-based semiconductor laser deviceSHARP KK·Filed 2002·Granted Jan 23, 2007·14 cites·5 claims
- 1174US8031751B2Nitride semiconductor laser deviceSHARP KK·Filed 2008·Granted Oct 4, 2011·4 cites·16 claims
- 1272US6711193B2Semiconductor laser device and method of manufacturing the sameSHARP KK·Filed 2001·Granted Mar 23, 2004·11 cites·11 claims
- 1371US6891201B2Nitride semiconductor laser element and optical device containing itSHARP KK·Filed 2002·Granted May 10, 2005·10 cites·28 claims
- 1467US6865201B2Semiconductor laser device, method of fabricating the same and optical information reproduction apparatusSHARP KK·Filed 2002·Granted Mar 8, 2005·8 cites·9 claims
- 1557US7142575B2Semiconductor laser element and optical data recording deviceSHARP KK·Filed 2004·Granted Nov 28, 2006·4 cites·38 claims
- 1656US6873635B2Nitride semiconductor laser device and optical information reproduction apparatus using the sameSHARP KK·Filed 2002·Granted Mar 29, 2005·4 cites·25 claims
- 1753US7804878B2Nitride semiconductor laser device and method of producing the sameSHARP KK·Filed 2007·Granted Sep 28, 2010·0 cites·10 claims
- 1849US7372885B2Semiconductor laser device and optical information recording apparatus provided therewithSHARP KK·Filed 2005·Granted May 13, 2008·0 cites·14 claims
- 1947US8124431B2Nitride semiconductor laser device and method of producing the sameYAMASAKI YUKIO·Filed 2010·Granted Feb 28, 2012·0 cites·14 claims
- 2047US2009251883A1Light-emitting device as well as lighting apparatus and display apparatus using the sameSHARP KK·Filed 2009·Application pending·0 cites
- 2146US2009059984A1Nitride-based semiconductor light-emitting deviceSHARP KK·Filed 2008·Application pending·0 cites
- 2242US7356059B2Nitride semiconductor laser device and semiconductor optical deviceSHARP KK·Filed 2002·Granted Apr 8, 2008·0 cites·22 claims
- 2337US2017119995A1Sleep control systemSHARP KK·Filed 2015·Application pending·0 cites
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