Matsukawa; Yoshinobu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matsukawa; Yoshinobu.The latest application filed is for "optical transmission device and method for checking optical connection in optical transmission device".

Company Profile

0.14.14

Matsukawa; Yoshinobu - Kawasaki JP
Matsukawa; Yoshinobu - Kawasaki-shi JP
Matsukawa; Yoshinobu - Osaka 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 transmission device and method for checking optical connection in optical transmission device Grant 9,900,089 - Yuki , et al. February 20, 2	2018-02-20
Optical Transmission Device And Method For Checking Optical Connection In Optical Transmission Device App 20170250752 - YUKI; Masahiro ; et al.	2017-08-31
Optical drop apparatus, optical add apparatus, and optical add/drop apparatus Grant 9,520,959 - Matsukawa December 13, 2	2016-12-13
Optical Transmission Device, Method For Verifying Connection, And Wavelength Selective Switch Card App 20160315701 - YUKI; Masahiro ; et al.	2016-10-27
Optical transmission device and monitoring method of optical signal Grant 9,332,326 - Mukai , et al. May 3, 2	2016-05-03
Transmission apparatus, transmission system, and method of controlling average optical input power Grant 9,300,426 - Matsukawa , et al. March 29, 2	2016-03-29
Optical Transmitter, Optical Receiver, And Optical Transmission Method App 20150333835 - MATSUKAWA; Yoshinobu	2015-11-19
Optical Transmission Apparatus, Optical Transmission System, And Optcial Transmission Method App 20150280854 - Matsukawa; Yoshinobu ; et al.	2015-10-01
Optical Transmission Device And Monitoring Method Of Optical Signal App 20150063798 - Mukai; Akihiro ; et al.	2015-03-05
Transmission Apparatus, Transmission System, And Method Of Controlling Average Optical Input Power App 20140294378 - Matsukawa; Yoshinobu ; et al.	2014-10-02
Optical Drop Apparatus, Optical Add Apparatus, And Optical Add/drop Apparatus App 20140147121 - MATSUKAWA; Yoshinobu	2014-05-29
Optical transmission apparatus and optical transmission method Grant 8,699,506 - Taniguchi , et al. April 15, 2	2014-04-15
Transmission device, control device, and method of detecting erroneous connection of signal line Grant 8,625,984 - Matsukawa , et al. January 7, 2	2014-01-07
Optical Network Apparatus App 20130039644 - TANIGUCHI; Miwa ; et al.	2013-02-14
SONET/SDH transmission apparatus Grant 8,374,500 - Matsukawa , et al. February 12, 2	2013-02-12
Optical Transmission Apparatus And Optical Transmission Method App 20120257903 - TANIGUCHI; Miwa ; et al.	2012-10-11
Transmission Device, Control Device, And Method Of Detecting Erroneous Connection Of Signal Line App 20120063766 - MATSUKAWA; Yoshinobu ; et al.	2012-03-15
Optical transmission apparatus Grant 8,005,357 - Maeda , et al. August 23, 2	2011-08-23
Optical transmission apparatus Grant 7,991,286 - Maeda , et al. August 2, 2	2011-08-02
Sonet/sdh Transmission Apparatus App 20100303456 - Matsukawa; Yoshinobu ; et al.	2010-12-02
Optical Transmission Apparatus App 20080226299 - Maeda; Yoshiyuki ; et al.	2008-09-18
Optical Transmission Apparatus App 20080226304 - Maeda; Yoshiyuki ; et al.	2008-09-18
Protocol conversion system for data communication between different types of open networks Grant 6,400,729 - Shimadoi , et al. June 4, 2	2002-06-04
System for controlling signal transfer between a plurality of devices Grant 5,805,601 - Takeda , et al. September 8, 1	1998-09-08

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