Inventor
HORIKI AKIRA
14 patents
⚠️ This page may combine multiple inventors who share the name “HORIKI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS4910731AMar 20, 1990
Switching system and method of construction thereof
HITACHI LTD79 citations96
US4403322ASep 6, 1983
Voice signal converting device
HITACHI LTD78 citations96
US4876681AOct 24, 1989
Packet switching equipment and a packet switching method for controlling packet switched networks
HITACHI LTD89 citations94
US6285675B1Sep 4, 2001
ATM cell switching system
HITACHI LTD15 citations92
US6016317AJan 18, 2000
ATM cell switching system
HITACHI LTD18 citations92
US5067075ANov 19, 1991
Method of direct memory access control
HITACHI LTD36 citations89
US6215788B1Apr 10, 2001
ATM cell switching system
HITACHI LTD11 citations82
US4327436AApr 27, 1982
Signal monitoring and controlling system in a time division switching system
HITACHI LTD22 citations78
US6728242B2Apr 27, 2004
ATM cell switching system
HITACHI LTD2 citations74
US6445703B2Sep 3, 2002
ATM cell switching system
HITACHI LTD7 citations74
US4152548AMay 1, 1979
Immediate ring-back control system for time-division telephone exchange
HITACHI LTD19 citations73
US4143242AMar 6, 1979
Analog-digital code converter in a digital telephone switching system
HITACHI LTD18 citations73
US6546011B1Apr 8, 2003
ATM cell switching system
HITACHI LTD0 citations52