Toyomaki; Takashi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Toyomaki; Takashi.The latest application filed is for "optical communication device, wavelength number measurement device, optical repeater, and wavelength number measurement method".

Company Profile

0.15.11

Toyomaki; Takashi - Kawasaki JP
Toyomaki; Takashi - Yokohama JP
Toyomaki; Takashi - Hokkaido JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical communication device, wavelength number measurement device, optical repeater, and wavelength number measurement method Grant 8,891,961 - Maeda , et al. November 18, 2	2014-11-18
Optical transmission apparatus and optical transmission system Grant 8,873,972 - Miyashita , et al. October 28, 2	2014-10-28
Optical transmission device and optical switch device Grant 8,805,194 - Toyomaki August 12, 2	2014-08-12
Optical transmission system and optical transmission method Grant 8,699,884 - Toyomaki , et al. April 15, 2	2014-04-15
Optical apparatus using polarized orthogonal control Grant 8,670,665 - Toyomaki , et al. March 11, 2	2014-03-11
Optical Communication Device, Wavelength Number Measurement Device, Optical Repeater, And Wavelength Number Measurement Method App 20130156422 - MAEDA; Taizo ; et al.	2013-06-20
Optical Transmission Device And Optical Switch Device App 20120263463 - TOYOMAKI; Takashi	2012-10-18
Optical Transmission Apparatus And Optical Transmission System App 20120201534 - MIYASHITA; Takuya ; et al.	2012-08-09
Chromatic dispersion compensation designing method in optical network and a system thereof Grant 8,121,481 - Katagiri , et al. February 21, 2	2012-02-21
Optical transmission system and optical transmission method App 20120008957 - Toyomaki; Takashi ; et al.	2012-01-12
Network design and determination of the arrangement of optical transmission devices in respective network stations Grant 8,078,701 - Hashiguchi , et al. December 13, 2	2011-12-13
Detecting abnormality in an optical receiver Grant 7,991,301 - Mizuguchi , et al. August 2, 2	2011-08-02
Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission method Grant 7,831,118 - Oikawa , et al. November 9, 2	2010-11-09
Phase control apparatus and optical DQPSK receiver Grant 7,684,713 - Terayama , et al. March 23, 2	2010-03-23
Chromatic Dispersion Compensation Designing Method In Optical Network And A System Thereof App 20090220241 - KATAGIRI; Toru ; et al.	2009-09-03
Network Design Apparatus, Network Design Method, And Computer Product App 20090185805 - Hashiguchi; Tomohiro ; et al.	2009-07-23
Detecting Abnormality In An Optical Receiver App 20080253761 - MIZUGUCHI; Noriaki ; et al.	2008-10-16
Optical Apparatus Using Polarized Orthogonal Control App 20080166128 - TOYOMAKI; Takashi ; et al.	2008-07-10
Phase control apparatus and optical DQPSK receiver App 20070292140 - Terayama; Yoshikazu ; et al.	2007-12-20
Communication system Grant 7,039,325 - Sekiya , et al. May 2, 2	2006-05-02
Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission method App 20050220397 - Oikawa, Yoichi ; et al.	2005-10-06
Communication system App 20020126336 - Sekiya, Motoyoshi ; et al.	2002-09-12

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