P

Inventor

TOYOMAKI TAKASHI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “TOYOMAKI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

5 patents
US7831118B2Nov 9, 2010

Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission method

FUJITSU LTD11 citations82
US7684713B2Mar 23, 2010

Phase control apparatus and optical DQPSK receiver

FUJITSU LTD9 citations82
US7039325B2May 2, 2006

Communication system

FUJITSU LTD8 citations73
US8891961B2Nov 18, 2014

Optical communication device, wavelength number measurement device, optical repeater, and wavelength number measurement method

FUJITSU LTD2 citations61
US7991301B2Aug 2, 2011

Detecting abnormality in an optical receiver

FUJITSU LTD5 citations59

TOYOMAKI TAKASHI

3 patents
US8670665B2Mar 11, 2014

Optical apparatus using polarized orthogonal control

TOYOMAKI TAKASHI5 citations70
US8699884B2Apr 15, 2014

Optical transmission system and optical transmission method

TOYOMAKI TAKASHI2 citations60
US8805194B2Aug 12, 2014

Optical transmission device and optical switch device

TOYOMAKI TAKASHI0 citations38

KATAGIRI TORU

1 patent
US8121481B2Feb 21, 2012

Chromatic dispersion compensation designing method in optical network and a system thereof

KATAGIRI TORU2 citations61

HASHIGUCHI TOMOHIRO

1 patent
US8078701B2Dec 13, 2011

Network design and determination of the arrangement of optical transmission devices in respective network stations

HASHIGUCHI TOMOHIRO2 citations60

MIYASHITA TAKUYA

1 patent
US8873972B2Oct 28, 2014

Optical transmission apparatus and optical transmission system

MIYASHITA TAKUYA3 citations57