Inventor · disambiguated record
Tsuyoshi Ohgoh
Also filed as: OHGOH TSUYOSHI
7 granted patents·1 pending application·19 citations·filing 2001–2009
79Inventor score
Top patents by PatentIndex Score
8 records- 0163US6856636B2Semiconductor laser deviceFUJI PHOTO FILM CO LTD·Filed 2002·Granted Feb 15, 2005·7 cites·12 claims
- 0261US7295587B2Semiconductor laser having optical guide layer doped for decreasing resistanceFUJIFILM CORP·Filed 2006·Granted Nov 13, 2007·2 cites·5 claims
- 0360US7301978B2Semiconductor laser element with optical waveguide layer having increased thicknessFUJIFILM CORP·Filed 2005·Granted Nov 27, 2007·2 cites·11 claims
- 0458US6560261B2Semiconductor laser device having InGaAs compressive-strain active layer, GaAsP tensile-strain barrier layers, and InGaP optical waveguide layersFUJI PHOTO FILM CO LTD·Filed 2001·Granted May 6, 2003·5 cites·22 claims
- 0557US7928453B2Semiconductor light emitting deviceFUJIFILM CORP·Filed 2008·Granted Apr 19, 2011·1 cites·4 claims
- 0655US8301399B2Method for predicting lifetime of photo-semiconductor device and drive apparatusOHGOH TSUYOSHI·Filed 2009·Granted Oct 30, 2012·2 cites·10 claims
- 0741US7366216B2Semiconductor laser element formed on substrate having tilted crystal orientationFUJIFILM CORP·Filed 2005·Granted Apr 29, 2008·0 cites·4 claims
- 0840US2006222029A1Semiconductor laser and optical communication system using the sameFUJI PHOTO FILM CO LTD·Filed 2006·Application pending·0 cites
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