Inventor
MIZUTANI MASAHIKO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “MIZUTANI MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MIZUTANI MASAHIKO
17 patentsUS8428457B2Apr 23, 2013
Optical passive network system and its operation method
MIZUTANI MASAHIKO23 citations92
US8554075B2Oct 8, 2013
Communication system, subscriber accommodating apparatus and communication method
MIZUTANI MASAHIKO9 citations84
US8488965B2Jul 16, 2013
Network system and optical line terminal
MIZUTANI MASAHIKO11 citations84
US8457495B2Jun 4, 2013
Network system, optical network unit and optical line terminal
MIZUTANI MASAHIKO10 citations84
US8457493B2Jun 4, 2013
Optical communication system and communication bandwidth control method
MIZUTANI MASAHIKO11 citations84
US8331784B2Dec 11, 2012
Network system and optical line terminal
MIZUTANI MASAHIKO19 citations84
US8254780B2Aug 28, 2012
Passive optical network system and fault determination method
MIZUTANI MASAHIKO10 citations84
US8249458B2Aug 21, 2012
Optical communication system and method for operating the same
MIZUTANI MASAHIKO9 citations84
US8089865B2Jan 3, 2012
Multicast path management and protection
MIZUTANI MASAHIKO6 citations73
US8422375B2Apr 16, 2013
Communication system and communication apparatus
MIZUTANI MASAHIKO2 citations63
US8189571B2May 29, 2012
System apparatus and method for interconnecting TDM and frame/packet communication networks
MIZUTANI MASAHIKO2 citations63
US8095004B2Jan 10, 2012
Passive optical network system and operation method of the same
MIZUTANI MASAHIKO4 citations63
US8654766B2Feb 18, 2014
System apparatus and method for interconnecting TDM and frame/packet communication networks
MIZUTANI MASAHIKO0 citations52
US8331400B2Dec 11, 2012
Passive optical network (PON) system
MIZUTANI MASAHIKO0 citations52
US8305907B2Nov 6, 2012
Network system and data transfer device
MIZUTANI MASAHIKO1 citations52
US8224135B2Jul 17, 2012
Optical communication system using WDMA and CDMA
MIZUTANI MASAHIKO1 citations52
US9166874B2Oct 20, 2015
Communication network system and communication network configuration method
MIZUTANI MASAHIKO0 citations42
HITACHI LTD
13 patentsUS7675936B2Mar 9, 2010
Passive optical network (PON) system
HITACHI LTD73 citations98
US9379877B2Jun 28, 2016
Communication system and its device
HITACHI LTD7 citations84
US8374504B2Feb 12, 2013
Optical communication system
HITACHI LTD8 citations84
US8027258B2Sep 27, 2011
Communication system and communication apparatus
HITACHI LTD11 citations84
US8027586B2Sep 27, 2011
Passive optical network system and optical line terminating apparatus
HITACHI LTD11 citations84
US7936991B2May 3, 2011
Optical line terminating apparatus and optical communication system
HITACHI LTD12 citations84
US7586929B2Sep 8, 2009
Method and system for content-oriented routing in a storage-embedded network
HITACHI LTD9 citations84
US7773880B2Aug 10, 2010
Optical access system
HITACHI LTD6 citations74
US7346670B2Mar 18, 2008
Secure storage system
HITACHI LTD7 citations73
US9407389B2Aug 2, 2016
Communication system and time synchronization method
HITACHI LTD5 citations69
US7962037B2Jun 14, 2011
PON system and optical network unit
HITACHI LTD4 citations63
US7908390B2Mar 15, 2011
Packet forwarding apparatus using token bucket algorithm and leaky bucket algorithm
HITACHI LTD5 citations62
US9350746B2May 24, 2016
Transmission network system, transmission method, and authentication information device
HITACHI LTD0 citations42
HITACHI COMM TECH LTD
6 patentsUS7649890B2Jan 19, 2010
Packet forwarding apparatus and communication bandwidth control method
HITACHI COMM TECH LTD85 citations97
US7630637B2Dec 8, 2009
PON system and optical network unit
HITACHI COMM TECH LTD20 citations93
US7620325B2Nov 17, 2009
Transmission apparatus with function of multi-step bandwidth assignment to other communication apparatuses
HITACHI COMM TECH LTD28 citations92
US7602800B2Oct 13, 2009
PON system
HITACHI COMM TECH LTD16 citations84
US7369768B2May 6, 2008
Optical access system
HITACHI COMM TECH LTD12 citations84
US7676127B2Mar 9, 2010
Optical communication system using WDMA and CDMA
HITACHI COMM TECH LTD3 citations63
NIIBE MASAO
4 patentsUS8391715B2Mar 5, 2013
Passive optical network system
NIIBE MASAO7 citations82
US8145055B2Mar 27, 2012
Passive optical network system, optical line terminator and optical network unit
NIIBE MASAO8 citations82
US8139950B2Mar 20, 2012
Passive optical network system, optical line terminator and, communication method of passive optical network system
NIIBE MASAO15 citations81
US8824894B2Sep 2, 2014
Passive optical network system
NIIBE MASAO3 citations60
SANYO ELECTRIC CO
3 patentsUS7232957B2Jun 19, 2007
Hybrid integrated circuit device and method of manufacturing the same
SANYO ELECTRIC CO21 citations90
US7250352B2Jul 31, 2007
Methods for manufacturing a hybrid integrated circuit device
SANYO ELECTRIC CO11 citations81
US6956252B2Oct 18, 2005
Hybrid integrated circuit device
SANYO ELECTRIC CO8 citations70