Inventor
KOSUGI TORU
JP7 patents
Patents
7 patentsUS5189410AFeb 23, 1993
Digital cross connect system
FUJITSU LTD204 citations98
US6226270B1May 1, 2001
Method and apparatus for path trace check
FUJITSU LTD25 citations86
US5706280AJan 6, 1998
Transmission quality monitoring system for a digital communication network
FUJITSU LTD10 citations72
US4887083ADec 12, 1989
Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit
FUJITSU LTD3 citations58
US4841524AJun 20, 1989
Digital data multiple conversion system for converting data having a frequency to data having another frequency by a digital stuffing method
FUJITSU LTD6 citations58
US5119380AJun 2, 1992
Zero string error detection circuit
FUJITSU LTD5 citations57
US4740959AApr 26, 1988
System for controlling a change of sequence order of channel data
FUJITSU LTD6 citations57