Inventor · disambiguated record
Masaaki Sobe
Also filed as: SOBE MASAAKI
4 granted patents·50 citations·filing 2002–2004
77Inventor score
Technology areasH01S
Files withNEC CORP4
Top patents by PatentIndex Score
4 records- 0181US7061665B2Optical fiber transmission system, raman gain slope measuring device and raman gain slope measuring methodNEC CORP·Filed 2002·Granted Jun 13, 2006·19 cites·33 claims
- 0278US6738132B2Method and apparatus for measuring Raman gain, method and apparatus for controlling Raman gain, and Raman amplifierNEC CORP·Filed 2002·Granted May 18, 2004·14 cites·2 claims
- 0371US6934016B2Method and apparatus for measuring Raman gain, method and apparatus for controlling Raman gain, and Raman amplifierNEC CORP·Filed 2004·Granted Aug 23, 2005·9 cites·20 claims
- 0465US6904064B2Optical fiber transmission system, raman gain control device and raman gain control methodNEC CORP·Filed 2002·Granted Jun 7, 2005·8 cites·8 claims
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