Inventor · disambiguated record
Shotaro Kitamura
Also filed as: KITAMURA SHOTARO
9 granted patents·279 citations·filing 1992–2010
89Inventor score
Top patents by PatentIndex Score
9 records- 0192US8477819B2Semiconductor laser diode device and method of fabrication thereofKITAMURA SHOTARO·Filed 2010·Granted Jul 2, 2013·34 cites·9 claims
- 0290US6141477ASemiconductor optical amplification elementNEC CORP·Filed 1998·Granted Oct 31, 2000·100 cites·17 claims
- 0382US6052222ASemiconductor optical amplifierNEC CORP·Filed 1997·Granted Apr 18, 2000·59 cites·10 claims
- 0479US5565693ASemiconductor optical integrated circuitsNEC CORP·Filed 1994·Granted Oct 15, 1996·34 cites·15 claims
- 0571US5770466ASemiconductor optical integrated circuits and method for fabricating the sameNEC CORP·Filed 1995·Granted Jun 23, 1998·32 cites·28 claims
- 0660US7666694B2Method for manufacturing semiconductor laser device and semiconductor laser deviceNEC ELECTRONICS CORP·Filed 2006·Granted Feb 23, 2010·1 cites·3 claims
- 0760US7633986B2Distributed feedback laser diodeNEC ELECTRONICS CORP·Filed 2007·Granted Dec 15, 2009·1 cites·2 claims
- 0858US5659565ASemiconductor optical device with mesa structure which is surrounded laterally by insulating mask for preventing current from leaking directly from cladding layer to substrate and process of fabrication thereofFiled 1994·Granted Aug 19, 1997·18 cites·2 claims
- 0928US5374587AMethod of manufacturing optical semiconductor elementNEC CORP·Filed 1992·Granted Dec 20, 1994·0 cites·1 claims
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