Inventor
KOZAKI TAKAHIKO
JP52 patents
⚠️ This page may combine multiple inventors who share the name “KOZAKI TAKAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
49 patentsUS4975906ADec 4, 1990
Network system
HITACHI LTD217 citations99
US5838677ANov 17, 1998
Switching system having means for congestion control by monitoring packets in a shared buffer and by suppressing the reading of packets from input buffers
HITACHI LTD170 citations98
US5144622ASep 1, 1992
Network system
HITACHI LTD137 citations98
US4947388AAug 7, 1990
Cell switching system of asynchronous transfer mode
HITACHI LTD149 citations98
US6907001B1Jun 14, 2005
Packet switch for switching variable length packets in the form of ATM cells
HITACHI LTD124 citations97
US6021128AFeb 1, 2000
Asynchronous transfer mode switching system
HITACHI LTD112 citations97
US5422858AJun 6, 1995
Semiconductor integrated circuit
HITACHI LTD147 citations97
US5365519ANov 15, 1994
ATM switch1ng system connectable to I/O links having different transmission rates
HITACHI LTD73 citations97
US5799014AAug 25, 1998
ATM cell switching system
HITACHI LTD30 citations96
US5710770AJan 20, 1998
ATM cell switching system
HITACHI LTD22 citations96
US5530698AJun 25, 1996
ATM switching system and cell control method
HITACHI LTD78 citations96
US5410540AApr 25, 1995
Shared-buffer-type ATM switch having copy function and copy method thereof
HITACHI LTD68 citations96
US5394397AFeb 28, 1995
Shared buffer memory type ATM communication system and method with a broadcast facility
HITACHI LTD89 citations96
US5280475AJan 18, 1994
Traffic shaping method and circuit
HITACHI LTD83 citations96
US5184346AFeb 2, 1993
Switching system
HITACHI LTD90 citations96
US4964119AOct 16, 1990
Method and system for packet exchange
HITACHI LTD87 citations96
US6075767AJun 13, 2000
Asynchronous transmission mode (ATM) handler
HITACHI LTD60 citations95
US5768274AJun 16, 1998
Cell multiplexer having cell delineation function
HITACHI LTD53 citations95
US5570368AOct 29, 1996
Cell multiplexer having cell delineation function
HITACHI LTD89 citations95
US6611527B1Aug 26, 2003
Packet switching apparatus with a common buffer
HITACHI LTD61 citations94
US5557621ASep 17, 1996
ATM switch and control method thereof
HITACHI LTD21 citations93
US5124977AJun 23, 1992
Switching system for switching cells having error detection apparatus
HITACHI LTD37 citations93
US5099475AMar 24, 1992
Switching system
HITACHI LTD49 citations93
US6389026B1May 14, 2002
ATM switching system and cell control method
HITACHI LTD18 citations92
US6339596B1Jan 15, 2002
ATM cell switching system
HITACHI LTD16 citations92
US6252877B1Jun 26, 2001
ATM switching system and cell control method
HITACHI LTD16 citations92
US5214640AMay 25, 1993
High-speed packet switching system
HITACHI LTD28 citations92
US4796296AJan 3, 1989
PCM coder and decoder having function of two-wire/four-wire conversion
HITACHI LTD26 citations92
US7023799B2Apr 4, 2006
Leaky bucket type traffic shaper and bandwidth controller
HITACHI LTD36 citations91
US5903544AMay 11, 1999
Packet handler
HITACHI LTD31 citations91
US6977941B2Dec 20, 2005
Shared buffer type variable length packet switch
HITACHI LTD34 citations90
US5500851AMar 19, 1996
Fixed-length packet switching system adapted for function test
HITACHI LTD46 citations90
US6507584B1Jan 14, 2003
ATM switch
HITACHI LTD13 citations83
US6463057B1Oct 8, 2002
ATM cell switching system
HITACHI LTD10 citations82
US6067654AMay 23, 2000
ATM switch and control method thereof
HITACHI LTD14 citations82
US6021130AFeb 1, 2000
ATM switching system and cell control method
HITACHI LTD15 citations82
US5886982AMar 23, 1999
ATM switching system and cell control method
HITACHI LTD11 citations82
US7023849B2Apr 4, 2006
Packet switching apparatus, method of transmitting multicast packet at packet switching apparatus, and setup method of packet switching apparatus
HITACHI LTD8 citations74
US5818853AOct 6, 1998
ATM switch and control method thereof
HITACHI LTD9 citations74
US6002668ADec 14, 1999
Cell output control apparatus and method
HITACHI LTD14 citations73
US6850485B2Feb 1, 2005
Packet handler
HITACHI LTD4 citations72
US4787080ANov 22, 1988
PCM coder and decoder circuit having digital balancing network
HITACHI LTD13 citations71
US6330240B1Dec 11, 2001
ATM cell switching system
HITACHI LTD2 citations63
USRE36751EJun 27, 2000
ATM switching system connectable to I/O links having different transmission rates
HITACHI LTD2 citations63
USRE36716EMay 30, 2000
Switching system for switching cells having error detection apparatus
HITACHI LTD5 citations63
US5983386ANov 9, 1999
ATM switch and control method thereof
HITACHI LTD3 citations63
US5923657AJul 13, 1999
ATM switching system and cell control method
HITACHI LTD6 citations63
US6330227B1Dec 11, 2001
Cell output control apparatus and method
HITACHI LTD2 citations62
US7095726B2Aug 22, 2006
ATM switching system and cell control method
HITACHI LTD0 citations52
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