Inventor
TAKADA OSAMU
JP33 patents
⚠️ This page may combine multiple inventors who share the name “TAKADA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
29 patentsUS5434863AJul 18, 1995
Internetworking apparatus for connecting plural network systems and communication network system composed of plural network systems mutually connected
HITACHI LTD165 citations98
US6708209B1Mar 16, 2004
Network system having plural networks for performing quality guarantee among the networks having different policies
HITACHI LTD79 citations97
US5860022AJan 12, 1999
Computer system and method of issuing input/output commands therefrom
HITACHI LTD96 citations97
US5678060AOct 14, 1997
System for executing high speed communication protocol processing by predicting protocol header of next frame utilizing successive analysis of protocol header until successful header retrieval
HITACHI LTD137 citations97
US6700874B1Mar 2, 2004
Network system having route verification function and the component apparatuses and method thereof
HITACHI LTD56 citations96
US6014382AJan 11, 2000
ATM switching system including a switching control portion for distributing call set-up requirement signals
HITACHI LTD105 citations96
US5625675AApr 29, 1997
Voice mail communication system
HITACHI LTD222 citations96
US5220562AJun 15, 1993
Bridge apparatus and a communication system between networks using the bridge apparatus
HITACHI LTD112 citations96
US5210748AMay 11, 1993
Address filter unit for carrying out address filter processing among plurality of networks and method thereof
HITACHI LTD67 citations96
US5777994AJul 7, 1998
ATM switch and intermediate system
HITACHI LTD57 citations95
US5727149AMar 10, 1998
Network interface apparatus and data transmission control method thereof
HITACHI LTD74 citations95
US5113392AMay 12, 1992
Communication apparatus for reassembling packets received from network into message
HITACHI LTD78 citations94
US4930122AMay 29, 1990
Message transfer system and method
HITACHI LTD31 citations93
US6810421B1Oct 26, 2004
Communication network system and method for controlling services in a communication network system
HITACHI LTD44 citations92
US5974466AOct 26, 1999
ATM controller and ATM communication control device
HITACHI LTD27 citations91
US5224096AJun 29, 1993
Frame strip method and apparatus therefor
HITACHI LTD26 citations91
US6307857B1Oct 23, 2001
Asynchronous transfer mode controller and ATM control method thereof and ATM communication control apparatus
HITACHI LTD48 citations90
US7146629B2Dec 5, 2006
Multi-user talking system and multi-user talking method
HITACHI LTD11 citations84
US4855995AAug 8, 1989
Method and system for data transmission
HITACHI LTD11 citations74
US10050807B2Aug 14, 2018
Network system, method of managing network system and gateway apparatus
HITACHI LTD4 citations72
US5706430AJan 6, 1998
Method and system for sequentially broadcasting data according to pre-assigned time slots with and without the reception of a synchronization packet
HITACHI LTD8 citations70
US4804940AFeb 14, 1989
Resistor and electron device employing the same
HITACHI LTD17 citations68
US7680931B2Mar 16, 2010
Data relaying apparatus
HITACHI LTD4 citations62
US6714989B1Mar 30, 2004
ATM controller and ATM communication control device
HITACHI LTD5 citations61
US9491043B2Nov 8, 2016
Communication path switching device, communication path switching method and communication path switching program
HITACHI LTD2 citations60
US7168043B2Jan 23, 2007
Apparatus and system for communication
HITACHI LTD6 citations60
US10560311B2Feb 11, 2020
Management apparatus, management method, and recording medium
HITACHI LTD1 citations59
US10491427B2Nov 26, 2019
Computer system, gateway apparatus control method and storage medium
HITACHI LTD1 citations58
US9830183B2Nov 28, 2017
Data center resource allocation system and data center resource allocation method
HITACHI LTD0 citations41