Mamoru Arihara

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical-fiber inspection device
- Patent number 6,008,487
- Issue date Dec 28, 1999
- Yokogawa Electric Corporation
- Yoshihiko Tachikawa
- G01 - MEASURING TESTING
Information Patent Grant
Optical spectrum analyzer and spectrometer
- Patent number 5,933,235
- Issue date Aug 3, 1999
- Yokogawa Electric Corporation
- Yoshihiro Sampei
- G01 - MEASURING TESTING
Information Patent Grant
Optical frequency domain reflectometer for use as an optical fiber...
- Patent number 5,844,235
- Issue date Dec 1, 1998
- Yokogawa Electric Corporation
- Yoshihiko Tachikawa
- G01 - MEASURING TESTING