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Patents Grantslast 30 patents

Information Patent Grant
Optical cable monitoring system
- Patent number 10,724,921
- Issue date Jul 28, 2020
- Hitachi Metals, Ltd.
- Yoshihiro Nakatani
- G01 - MEASURING TESTING
Information Patent Grant
Communication light detection device
- Patent number 10,459,176
- Issue date Oct 29, 2019
- Hitachi Metals, Ltd.
- Kanako Suzuki
- G02 - OPTICS
Information Patent Grant
Optical fiber monitoring system
- Patent number 10,254,197
- Issue date Apr 9, 2019
- Hitachi Metals, Ltd.
- Kanako Suzuki
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION LIGHT DETECTION DEVICE
- Publication number 20190137702
- Publication date May 9, 2019
- Hitachi Metals, Ltd.
- Kanako Suzuki
- G02 - OPTICS
Information Patent Application
OPTICAL CABLE MONITORING SYSTEM
- Publication number 20190137355
- Publication date May 9, 2019
- Hitachi Metals, Ltd.
- Yoshihiro NAKATANI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER MONITORING SYSTEM
- Publication number 20180128709
- Publication date May 10, 2018
- Hitachi Metals, Ltd.
- Kanako SUZUKI
- G01 - MEASURING TESTING