Inventor · disambiguated record
Yoshiharu Muroya
Also filed as: MUROYA YOSHIHARU
6 granted patents·2 pending applications·122 citations·filing 1994–2017
85Inventor score
Top patents by PatentIndex Score
8 records- 0187US6577660B1Distributed feedback type semiconductor laser device having gradually-changed coupling coefficientNEC CORP·Filed 2000·Granted Jun 10, 2003·32 cites·12 claims
- 0270US5668047AMethod for fabricating InP diffraction grating and distributed feedback laserNEC CORP·Filed 1994·Granted Sep 16, 1997·28 cites·5 claims
- 0365US5693453AMethod of forming micropatternNEC CORP·Filed 1996·Granted Dec 2, 1997·20 cites·3 claims
- 0458US6111906ADistributed-feedback semiconductor laserNEC CORP·Filed 1998·Granted Aug 29, 2000·24 cites·14 claims
- 0556US7580134B2Method of measuring micro-structure, micro-structure measurement apparatus, and micro-structure analytical systemNEC ELECTRONICS CORP·Filed 2008·Granted Aug 25, 2009·2 cites·6 claims
- 0652US6495384B1Method for manufacturing diffraction grating and method for manufacturing semiconductor laserNEC CORP·Filed 1999·Granted Dec 17, 2002·16 cites·41 claims
- 0740US2005219548A1Method of measuring micro-structure, micro-structure measurement apparatus, and micro-structure analytical systemNEC COMPOUND SEMICONDUCTOR·Filed 2005·Application pending·0 cites
- 0830US2018175589A1Semiconductor laser, light source unit, communication system, and wavelength division multiplexing optical communication systemRENESAS ELECTRONICS CORP·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →