Tsukamoto; Keiichiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsukamoto; Keiichiro.The latest application filed is for "distributed power supply and method of recovering from error".

Company Profile

0.7.4

Tsukamoto; Keiichiro - Kawasaki JP
Tsukamoto; Keiichiro - Kanagawa 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
Add/drop multiplexer and interface Grant 7,912,096 - Tsukamoto March 22, 2	2011-03-22
Transmission apparatus and reception interface apparatus Grant 7,672,341 - Tsukamoto March 2, 2	2010-03-02
Distributed power supply and method of recovering from error Grant 7,417,878 - Tsukamoto , et al. August 26, 2	2008-08-26
Distributed power supply and method of recovering from error App 20070230225 - Tsukamoto; Keiichiro ; et al.	2007-10-04
ATM cell service apparatus accommodating an ATM cell in an optical asynchronous communications network through a North America asynchronous communications network App 20070081466 - Tsukamoto; Keiichiro	2007-04-12
ATM cell service apparatus accomodating an ATM cell in an optical asynchronous communications network through a North America asynchronous communications network Grant 7,154,894 - Tsukamoto December 26, 2	2006-12-26
Transmission apparatus and reception interface apparatus App 20050213614 - Tsukamoto, Keiichiro	2005-09-29
Signal loopback device Grant 6,657,953 - Hiramoto , et al. December 2, 2	2003-12-02
Add/drop multiplexer and interface App 20030112832 - Tsukamoto, Keiichiro	2003-06-19
Transmitter with cell switching function Grant 6,498,794 - Tsukamoto , et al. December 24, 2	2002-12-24
Apparatus and method for interfacing between communication networks Grant 6,188,701 - Tsukamoto , et al. February 13, 2	2001-02-13

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