Akihiro Kadohata

Follow

Person

Yokosuka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Highly reliable path accommodation design apparatus and method
- Patent number 10,587,472
- Issue date Mar 10, 2020
- Nippon Telegraph and Telephone Corporation
- Akihiro Kadohata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Highly reliable path accommodation design apparatus and method
- Patent number 9,794,123
- Issue date Oct 17, 2017
- Nippon Telegraph and Telephone Corporation
- Akihiro Kadohata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system and transmission method
- Patent number 9,336,080
- Issue date May 10, 2016
- Nippon Telegraph and Telephone Corporation
- Akira Hirano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength path reallocation method and upper layer path reallocati...
- Patent number 9,178,645
- Issue date Nov 3, 2015
- Nippon Telegraph and Telephone Corporation
- Akihiro Kadohata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency assignment method and apparatus
- Patent number 9,154,257
- Issue date Oct 6, 2015
- Nippon Telegraph and Telephone Corporation
- Akira Hirano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HIGHLY RELIABLE PATH ACCOMMODATION DESIGN APPARATUS AND METHOD
- Publication number 20180006889
- Publication date Jan 4, 2018
- Nippon Telegraph and Telephone Corporation
- Akihiro KADOHATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGHLY RELIABLE PATH ACCOMMODATION DESIGN APPARATUS AND METHOD
- Publication number 20150350025
- Publication date Dec 3, 2015
- Nippon Telegraph and Telephone Corporation
- Akihiro KADOHATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM AND TRANSMISSION METHOD
- Publication number 20140108894
- Publication date Apr 17, 2014
- Nippon Telegraph and Telephone Corporation
- Akira Hirano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FREQUENCY ASSIGNMENT METHOD AND APPARATUS
- Publication number 20130216226
- Publication date Aug 22, 2013
- Nippon Telegraph and Telephone Corporation
- Akira Hirano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH PATH REALLOCATION METHOD AND UPPER LAYER PATH REALLOCATI...
- Publication number 20130195460
- Publication date Aug 1, 2013
- Nippon Telegraph and Telephone Corporation
- Akihiro Kadohata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE