P

Inventor

OKI EIJI

JP50 patents
⚠️ This page may combine multiple inventors who share the name “OKI EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

21 patents
US5892604AApr 6, 1999

ATM switch

NIPPON TELEGRAPH & TELEPHONE63 citations96
US7630649B2Dec 8, 2009

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

NIPPON TELEGRAPH & TELEPHONE13 citations92
US7545829B2Jun 9, 2009

Layered network node, network incorporating the same, node, and layered network

NIPPON TELEGRAPH & TELEPHONE27 citations92
US6757283B1Jun 29, 2004

Push network

NIPPON TELEGRAPH & TELEPHONE37 citations92
US5953341ASep 14, 1999

Contention control circuit

NIPPON TELEGRAPH & TELEPHONE21 citations92
US5577030ANov 19, 1996

Data communication routing method and device

NIPPON TELEGRAPH & TELEPHONE30 citations92
US7457240B2Nov 25, 2008

Node, packet communication network, packet communication method, and program

NIPPON TELEGRAPH & TELEPHONE12 citations83
US7313094B2Dec 25, 2007

Node, an optical/electrical path integrated network using the node, and a program which controls the node

NIPPON TELEGRAPH & TELEPHONE16 citations83
US7313328B2Dec 25, 2007

Node used in photonic network, and photonic network

NIPPON TELEGRAPH & TELEPHONE16 citations83
US7289730B2Oct 30, 2007

Optical path communication network, node, and optical path setup method

NIPPON TELEGRAPH & TELEPHONE11 citations83
US5812532ASep 22, 1998

Communication network design method and communication equipment

NIPPON TELEGRAPH & TELEPHONE13 citations74
US7720390B2May 18, 2010

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

NIPPON TELEGRAPH & TELEPHONE6 citations73
US7333424B2Feb 19, 2008

Upper layer node, lower layer node, and node control method

NIPPON TELEGRAPH & TELEPHONE7 citations73
US7339935B2Mar 4, 2008

ATM switch for distributing cells to avoid blocking in the ATM switch

NIPPON TELEGRAPH & TELEPHONE7 citations72
US7136391B1Nov 14, 2006

ATM switch

NIPPON TELEGRAPH & TELEPHONE4 citations72
US6570874B1May 27, 2003

ATM switch

NIPPON TELEGRAPH & TELEPHONE11 citations69
US7263289B2Aug 28, 2007

Optical dynamic burst switch

NIPPON TELEGRAPH & TELEPHONE2 citations62
US7200330B2Apr 3, 2007

Optical dynamic burst switch

NIPPON TELEGRAPH & TELEPHONE3 citations62
US7474664B2Jan 6, 2009

ATM switch for ensuring cell sequence

NIPPON TELEGRAPH & TELEPHONE2 citations61
US7292576B2Nov 6, 2007

ATM switch having output buffers

NIPPON TELEGRAPH & TELEPHONE1 citations61
US7978713B2Jul 12, 2011

GMPLS+IP/MPLS node and IP/MPLS node

NIPPON TELEGRAPH & TELEPHONE0 citations41

OKI EIJI

7 patents

EMPIRE TECHNOLOGY DEV LLC

6 patents

UNIV POLYTECHNIC

5 patents

AGC INC

3 patents

IKEDA TETSUO

2 patents

CHAO HUNG-HSIANG JONATHAN

1 patent

HIROSE MASAHIKO

1 patent

YAMANAKA NAOAKI

1 patent

IMAJUKU WATARU

1 patent

ARAKAWA YUTAKA

1 patent

KODA YASUHIKO

1 patent