Inventor
HIRAIWA MASASHI
JP10 patents
Patents
10 patentsUS5737314AApr 7, 1998
ATM exchange, ATM multiplexer and network trunk apparatus
HITACHI LTD32 citations91
US5317633AMay 31, 1994
Exchanging system and method of establishing data call thereof
HITACHI LTD24 citations91
US5734653AMar 31, 1998
Cell/ packet assembly and disassembly apparatus and network system
HITACHI LTD37 citations90
US5420854AMay 30, 1995
Digital interface system
HITACHI LTD19 citations81
US5774466AJun 30, 1998
Regulation method and apparatus for ATM cell delay variation
HITACHI LTD8 citations72
US5533022AJul 2, 1996
Digital interface system for offices connected by plural digital lines
HITACHI LTD7 citations72
US6021134AFeb 1, 2000
Cell/packet assembly and disassembly apparatus and network system
HITACHI LTD10 citations71
US5490135AFeb 6, 1996
Method and system for arranging common channel signal network through ISDN
HITACHI LTD11 citations70
US5333187AJul 26, 1994
Switching system for electronic switcher
HITACHI LTD14 citations69
US6335917B1Jan 1, 2002
Regulation method and apparatus for ATM cell delay variation
HITACHI LTD0 citations51