Inventor

Katsutoshi Nishida

Inventor

Tokyo, JP

Overview

1977–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 64 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Wprimary

H04WWireless communication networks41%

H04LTransmission of digital information, e.g. telegraphic communication17%

C04BLime, magnesia8%

H04MTelephonic communication6%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

C01BNon-metallic elements3%

Y02TClimate change mitigation technologies related to transportation3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%

F02FCylinders, pistons or casings, for combustion engines2%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines2%

PatentTitleYear

10,701,666Mobile communication method, mobile management node, and serving gateway apparatus2020 10,129,849Mobile communication method, mobile communication system, and mobile management node2018 10,027,821Billing system, billing apparatus, and billing method2018 9,813,971'Mobile communication method and mobile communication system'2017 9,572,073'Mobile communication system'2017 9,544,874'Paging method, core network apparatus, radio access network apparatus and gateway apparatus'2017 9,544,821'Mobile communication system'2017 9,516,556'Path establishment method, access network switching method, access network switching apparatus, mobile station, and proxy access network switching apparatus'2016 9,451,528'Radio communication terminal, communication control apparatus, and communication control method'2016 9,408,131'Mobile communication method and mobile communication system'2016 9,351,327'Communication system, phonebook server, radio communication terminal, and communication method'2016 9,320,078'Mobile communication method, mobile management node, and serving gateway apparatus'2016 9,313,815'Radio communication terminal and communication method'2016 9,301,210'Mobile communication method, radio access network apparatus and mobile station'2016 9,295,091'Radio communication system, communication control apparatus, and communication control method'2016 9,282,534'Mobile communication method, session control node, gateway device, and mobility management node'2016 9,282,578'Mobile communication method, mobile management node, and serving gateway apparatus'2016 9,253,437'Mobile communication method and mobility management node'2016 9,219,976'Private branch exchange system, private branch exchange server, and communication method'2015 8,983,465'Mobile communication method and mobile station'2015 8,953,561'Mobile communication method'2015 8,908,642'Mobile communication system'2014 8,892,134'Mobile communication method, call control node, priority control node and mobility management node'2014 8,885,608'Mobile communication method'2014 8,725,061'Message distribution method, radio base station, and message distribution station'2014 8,693,400'Mobile communication method, mobility management node, and packet exchanger'2014 8,675,609'Mobile communication method, mobility management node, serving gateway apparatus, packet data network gateway apparatus, policy controller, and packet switch'2014 8,670,414'Mobile communication system including the radio access network not supporting circuit switching (CS) and the radio access network supporting CS'2014 8,526,434'Routing manager hierarchy'2013 8,489,116'Mobile communication method, mobile management node, positioning calculation node, and mobile station'2013 8,462,801'Mobile communication method, mobility management node, and packet exchanger'2013 8,428,035'Mobile communication method, radio access network apparatus and mobile station'2013 8,345,598'Mobility management method and network device'2013 8,315,590'Emergency information notification system'2012 8,311,012'Mobile communication system, mobile communication method, access device, and gateway information storage device'2012 8,199,669'Access router, service control system, and service control method'2012 8,135,005'Communication control system, communication control method, routing controller and router suitably used for the same'2012 8,077,648'VRM selection'2011 7,970,403'Mobile station, mobile exchange station and mobile communication method'2011 7,965,695'Method and apparatus for routing a packet in mobile IP system'2011 7,907,584'Access router device, mobility control system, and mobility control method'2011 7,715,346'Communication system, communication terminal, routing control method, and router'2010 7,548,524'Communication system, communication terminal, routing control method, and router'2009 7,545,785'Mobile communication system, access router, management device and mobile communication method'2009 7,535,896'Routing control system, routing control device, and routing control method'2009 7,526,569'Router and address identification information management server'2009 7,466,674'Mobile communication control system, mobile communication control method, router, server and data structure'2008 7,417,969'Path control device and path control method'2008 7,324,490'Communication system, address management method, relay device, and management device'2008 4,792,244'Ceramic bearing construction'1988 4,597,926'Method of manufacturing radial flow turbine rotor'1986 4,423,303'Apparatus for treating powdery materials utilizing microwave plasma'1983 4,419,971'Cylinder liner for an internal combustion engine'1983 4,414,190'Method of preparing silicon nitride'1983 4,385,866'Curved blade rotor for a turbo supercharger'1983 4,359,022'Valve for an internal combustion engine'1982 4,341,874'Si.sub.3 N.sub.4 Ceramic powder material and method for manufacturing the same'1982 4,332,909'Silicon nitride based sintered product and method of producing the same'1982 4,325,334'Prechamber cup for an internal combustion engine'1982 4,296,065'Method of producing highly densified ceramic articles'1981 4,284,432'Ceramic powder material and method for manufacturing the same'1981 4,280,989'Method of preparing silicon nitride'1981 4,143,107'Silicon nitride-based sintered material and method for manufacturing the same'1979 4,046,580'Silicon nitride-based sintered material and method for manufacturing the same'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (14)· patent assignee history

1977–2013Based in Yokohama, JP· patent location history

1982–1983Based in Yokohama-shi, JP· patent location history

2008–2018Patents assigned to NTT DOCOMO INC (37)· patent assignee history

2009–2020Based in Tokyo, JP· patent location history

2011–2017Patents assigned to NISHIDA KATSUTOSHI (26)· patent assignee history

2013–2017Patents assigned to SUZUKI KEISUKE (5)· patent assignee history

2013–2014Based in Ota, JP· patent location history

2014–2020Patents assigned to NEC CORP (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NTT DOCOMO INC	37	2008–2018
NISHIDA KATSUTOSHIself	26	2011–2017
TOKYO SHIBAURA ELECTRIC CO	14	1977–1986
NEC CORP	9	2014–2020
SUZUKI KEISUKE	5	2013–2017

Locations

Location	Patents	Span
Tokyo, JP	35	2009–2020
Yokohama, JP	25	1977–2013
Ota, JP	2	2013–2014
Yokohama-shi, JP	2	1982–1983