KAWAGUCHI; Akihisa

Patent Applications and Registrations

Patent applications and USPTO patent grants for KAWAGUCHI; Akihisa.The latest application filed is for "wavelength division multiplexing transmission system".

Company Profile

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KAWAGUCHI; Akihisa - Kawasaki JP
Kawaguchi; Akihisa - Kanagawa JP
Kawaguchi, Akihisa - Kawasaki-shi JP
Kawaguchi; Akihisa - Iruma 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
Wavelength Division Multiplexing Transmission System App 20170047990 - KAWAGUCHI; Akihisa ; et al.	2017-02-16
Transmission system and method of correcting tilt of the transmission system Grant 8,693,874 - Suzuki , et al. April 8, 2	2014-04-08
Transmission apparatus, transmission controlling method, and optical supervisory channel (OSC) processing apparatus Grant 8,326,147 - Tanonaka , et al. December 4, 2	2012-12-04
Transmission Apparatus, Transmission Controlling Method, And Optical Supervisory Channel (osc) Processing Apparatus App 20110008049 - Tanonaka; Koji ; et al.	2011-01-13
Transmission System And Method Of Correcting Tilt Of The Transmission System App 20100322633 - Suzuki; Tomoyuki ; et al.	2010-12-23
Method of controlling optical wavelength division multiplexing transmission apparatus Grant 7,206,512 - Kawaguchi , et al. April 17, 2	2007-04-17
Level adjustment method and wavelength division multiplexing device and system Grant 6,839,518 - Minamimoto , et al. January 4, 2	2005-01-04
Method of controlling optical wavelength division multiplexing transmission apparatus App 20040202469 - Kawaguchi, Akihisa ; et al.	2004-10-14
Packet communications method and apparatus App 20030118042 - Nishida, Mitsuhiro ; et al.	2003-06-26
Openable dome-shaped roof structure Grant 4,706,419 - Adachi , et al. November 17, 1	1987-11-17

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