Yoshihiro Kumagai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber characteristics measurement apparatus and optical fib...
- Patent number 11,402,296
- Issue date Aug 2, 2022
- Vokogawa Electric Corporation
- Satoshi Matsuura
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber characteristics measurement device and method
- Patent number 9,109,977
- Issue date Aug 18, 2015
- The University of Tokyo
- Masato Kishi
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber characteristic measuring device and method
- Patent number 8,724,101
- Issue date May 13, 2014
- Mitsubishi Heavy Industries, Ltd.
- Kazuo Hotate
- G01 - MEASURING TESTING
Information Patent Grant
Optical pulse generator
- Patent number 6,108,465
- Issue date Aug 22, 2000
- Ando Electric Co., Ltd.
- Rikihiro Iida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical pulse generator
- Patent number 6,101,021
- Issue date Aug 8, 2000
- Ando Electric Co., Ltd.
- Yoshihiro Kumagai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MEASURING DEVICE, MEASURING METHOD, AND COMPUTER-READABLE RECORDING...
- Publication number 20240337560
- Publication date Oct 10, 2024
- YOKOGAWA ELECTRIC CORPORATION
- Yoshihiro KUMAGAI
- G01 - MEASURING TESTING
Information Patent Application
TEMPERATURE MEASURING DEVICE AND TEMPERATURE MEASURING METHOD
- Publication number 20240011848
- Publication date Jan 11, 2024
- YOKOGAWA ELECTRIC CORPORATION
- Yoshihiro KUMAGAI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CHARACTERISTIC MEASUREMENT DEVICE, OPTICAL FIBER CHAR...
- Publication number 20230324202
- Publication date Oct 12, 2023
- YOKOGAWA ELECTRIC CORPORATION
- Satoshi MATSUURA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CHARACTERISTICS MEASUREMENT SYSTEM
- Publication number 20230031203
- Publication date Feb 2, 2023
- YOKOGAWA ELECTRIC CORPORATION
- Yoshihiro Kumagai
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CHARACTERISTICS MEASUREMENT APPARATUS AND OPTICAL FIB...
- Publication number 20210318147
- Publication date Oct 14, 2021
- YOKOGAWA ELECTRIC CORPORATION
- Satoshi MATSUURA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CHARACTERISTICS MEASUREMENT DEVICE AND METHOD
- Publication number 20130308123
- Publication date Nov 21, 2013
- The University of Tokyo
- Masato Kishi
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CHARACTERISTIC MEASURING DEVICE AND METHOD
- Publication number 20110032517
- Publication date Feb 10, 2011
- MITSUBISHI HEAVY INDUSTRIES, LTD.
- Kazuo Hotate
- G01 - MEASURING TESTING

Yoshihiro Kumagai

Person

Patents Grantslast 30 patents

Optical fiber characteristics measurement apparatus and optical fib...

Optical fiber characteristics measurement device and method

Optical fiber characteristic measuring device and method

Optical pulse generator

Optical pulse generator

Patents Applicationslast 30 patents

MEASURING DEVICE, MEASURING METHOD, AND COMPUTER-READABLE RECORDING...

TEMPERATURE MEASURING DEVICE AND TEMPERATURE MEASURING METHOD

OPTICAL FIBER CHARACTERISTIC MEASUREMENT DEVICE, OPTICAL FIBER CHAR...

OPTICAL FIBER CHARACTERISTICS MEASUREMENT SYSTEM

OPTICAL FIBER CHARACTERISTICS MEASUREMENT APPARATUS AND OPTICAL FIB...

OPTICAL FIBER CHARACTERISTICS MEASUREMENT DEVICE AND METHOD

OPTICAL FIBER CHARACTERISTIC MEASURING DEVICE AND METHOD