Isao Tokumoto

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Patents Grantslast 30 patents

Information Patent Grant
Monochromator and spectrometric method
- Patent number 6,549,281
- Issue date Apr 15, 2003
- Advantest Corporation
- Isao Tokumoto
- G01 - MEASURING TESTING
Information Patent Grant
Michelson interferometer including a non-polarizing beam splitter
- Patent number 5,867,271
- Issue date Feb 2, 1999
- Advantest Corporation
- Isao Tokumoto
- G01 - MEASURING TESTING
Information Patent Grant
Difference dispersive double-path monochromator having wavelength-i...
- Patent number 5,532,818
- Issue date Jul 2, 1996
- Advantest Corporation
- Isao Tokumoto
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Test apparatus and test method
- Publication number 20120182031
- Publication date Jul 19, 2012
- Advantest Corporation
- Isao Tokumoto
- G01 - MEASURING TESTING