Inventor
TANONAKA KOUJI
JP5 patents
Patents
5 patentsUS6487223B1Nov 26, 2002
SDH transmission apparatus with flexible system configuration
FUJITSU LTD25 citations89
US5682408AOct 28, 1997
Method of transmitting sync clock and sync data between shelves of a synchronous digital hierarchy system
FUJITSU LTD21 citations89
US5600648AFeb 4, 1997
SDH transmission system
FUJITSU LTD28 citations87
US6628674B1Sep 30, 2003
Apparatus depending on timing source for synchronization
FUJITSU LTD13 citations81
US7917033B2Mar 29, 2011
Wavelength-multiplexing optical transmission system and wavelength-multiplexing optical transmission method
FUJITSU LTD6 citations61