Inventor

NAGATSU NAOHIDE

JP4 patents

⚠️ This page may combine multiple inventors who share the name “NAGATSU NAOHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

3 patents

US6626590B1Sep 30, 2003

Optical communication network

NIPPON TELEGRAPH & TELEPHONE36 citations89

US7313328B2Dec 25, 2007

Node used in photonic network, and photonic network

NIPPON TELEGRAPH & TELEPHONE16 citations83

US7961644B2Jun 14, 2011

Communication node apparatus, communication system, and path resource assignment method

NIPPON TELEGRAPH & TELEPHONE3 citations60

TSUKISHIMA YUKIO

1 patent

US8462617B2Jun 11, 2013

Method for relieving failure, and packet communication device

TSUKISHIMA YUKIO1 citations44