Youji Sonobe

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Patents Grantslast 30 patents

Information Patent Grant
Optical amplifier evaluation method and optical amplifier evaluatio...
- Patent number 6,236,452
- Issue date May 22, 2001
- Anritsu Corporation
- Hiroshi Goto
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring spectral power of a light beam
- Patent number 4,758,086
- Issue date Jul 19, 1988
- Anritsu Corporation
- Youji Sonobe
- G01 - MEASURING TESTING