Yasuhiko Niiro

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical repeater monitoring system
- Patent number 4,710,976
- Issue date Dec 1, 1987
- Kokusai Denshin Denwa Co., Ltd.
- Hiroharu Wakabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical submarine cable connection
- Patent number 4,708,427
- Issue date Nov 24, 1987
- Kokusai Denshin Denwa Kabushiki Kaisha
- Yoshihiro Ejiri
- G02 - OPTICS
Information Patent Grant
Optical fiber submarine cable
- Patent number 4,490,009
- Issue date Dec 25, 1984
- Kokusai Denshin Denwa Kabushiki Kaisha
- Taiichiro Nakai
- G02 - OPTICS
Information Patent Grant
Optical fiber submarine cable
- Patent number 4,432,605
- Issue date Feb 21, 1984
- Kokusai Denshin Denwa Kabushiki Kaisha
- Yasuhiko Niiro
- G02 - OPTICS
Information Patent Grant
Submarine optical fiber cable
- Patent number 4,422,718
- Issue date Dec 27, 1983
- Kokusai Denshin Denwa Kabushiki Kaisha
- Yukio Nakagome
- G02 - OPTICS
Information Patent Grant
Light dispersion measuring apparatus
- Patent number 4,411,520
- Issue date Oct 25, 1983
- Kokusai Denshin Denwa Kabushiki Kaisha
- Kiyofumi Mochizuki
- G01 - MEASURING TESTING
Information Patent Grant
Monitoring system of an optical power in an optical repeater
- Patent number 4,313,224
- Issue date Jan 26, 1982
- Kokusai Denshin Denwa Co., Ltd.
- Hiroharu Wakabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for measuring an optical loss in a single mode optical fiber
- Patent number 4,304,489
- Issue date Dec 8, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Hiroharu Wakabayashi
- G01 - MEASURING TESTING
Information Patent Grant
Optical repeater monitoring system
- Patent number 4,300,239
- Issue date Nov 10, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Hiroharu Wakabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedthrough for optical fiber
- Patent number 4,296,996
- Issue date Oct 27, 1981
- Kokusai Denshin Denwa Kabushiki Kaisha
- Yasuhiko Niiro
- G02 - OPTICS
Information Patent Grant
Monitoring system for optical transmission line repeaters
- Patent number 4,278,850
- Issue date Jul 14, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Masanori Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-fiber submarine cable and manufacturing method thereof
- Patent number 4,257,675
- Issue date Mar 24, 1981
- Kokusai Denshin Denwa Kabushiki Kaisha
- Yukio Nakagome
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Automatic equalization system
- Patent number 4,201,959
- Issue date May 6, 1980
- Kokusai Denshin Denwa Co., Ltd.
- Yasuhiko Niiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yasuhiko Niiro

Person

Patents Grantslast 30 patents

Optical repeater monitoring system

Optical submarine cable connection

Optical fiber submarine cable

Optical fiber submarine cable

Submarine optical fiber cable

Light dispersion measuring apparatus

Monitoring system of an optical power in an optical repeater

System for measuring an optical loss in a single mode optical fiber

Optical repeater monitoring system

Feedthrough for optical fiber

Monitoring system for optical transmission line repeaters

Optical-fiber submarine cable and manufacturing method thereof

Automatic equalization system