Inventor

Naohide Nagatsu

Inventor

Yokosuka, JP

Overview

4→

Patents

2003–2013

Patent span

Electricity

Primary field (CPC H)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication29%

H04QSelecting29%

H04JMultiplex communication14%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use14%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids14%

PatentTitleYear

8,462,617'Method for relieving failure, and packet communication device'2013 7,961,644'Communication node apparatus, communication system, and path resource assignment method'2011 7,313,328'Node used in photonic network, and photonic network'2007 6,626,590'Optical communication network'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2013Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history

2003–2011Based in Yokosuka, JP· patent location history

2013Patents assigned to HIRANO AKIRA (1)· patent assignee history

2013Patents assigned to NAGATSU NAOHIDE (1)· patent assignee history

2013Patents assigned to TSUKISHIMA YUKIO (1)· patent assignee history

2013Patents assigned to WATANABE ATSUSHI (1)· patent assignee history

2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	4	2003–2013
HIRANO AKIRA	1	2013
NAGATSU NAOHIDEself	1	2013
TSUKISHIMA YUKIO	1	2013
WATANABE ATSUSHI	1	2013

Locations

Location	Patents	Span
Yokosuka, JP	3	2003–2011
Tokyo, JP	1	2013