Inventor

Ryuichi Takechi

Inventor

Kawasaki, JP

Overview

1996–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 34 as inventor

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

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication37%

H04QSelecting27%

H04WWireless communication networks27%

H04JMultiplex communication5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

10,728,932Wireless communications system, base station, and mobile station2020 10,568,107Wireless communications system, base station, mobile station, and processing method2020 9,204,348'Method for dropping packet data, radio communication device, and mobile communication system'2015 8,908,644'Method for dropping packet data, radio communication device, and mobile communication system'2014 8,730,907'Transmitting and receiving location registration messages and data packets in a communication system'2014 8,711,810'Method for dropping packet data, radio communication device, and mobile communication system'2014 8,582,533'Method for dropping packet data, radio communication device, and mobile communication system'2013 8,577,397'Wireless communication system, communication control method, mobility management apparatus, mobile terminal and base station'2013 8,233,453'Method for dropping packet data, radio communication device, and mobile communication system'2012 7,949,755'Network/service control method'2011 7,711,819'Load balancer'2010 7,657,653'Load decentralization method and apparatus thereof'2010 7,554,950'Handover method and mobile communication system and mobile terminal using same'2009 7,457,863'Home agent for getting information a line usage, a CPU usage rate, and a registered node number, and for adjusting transmitting period from a mobile node'2008 7,359,350'Mobile packet communication system'2008 7,277,430'Short cell multiplexer'2007 7,136,365'Mobile node adapted router and home agent router'2006 7,113,509'Node device'2006 6,975,651'Cell processing apparatus, ATM exchange and cell discarding method'2005 6,781,993'Switch and switching method for processing communication data of a particular connection'2004 6,757,254'ATM switching apparatus applicable to short cell'2004 6,646,999'Mobile packet communication system'2003 6,490,286'Short cell multiplexing apparatus'2002 6,483,810'ATM switching apparatus applicable to short cell'2002 6,470,014'Short cell multiplexer'2002 6,411,620'Connectionless communication system'2002 6,317,432'Short-cell multiplexing device'2001 6,021,135'Cell assembly and multiplexing device, and demultiplexing device'2000 6,005,844'Information collection device and method for use with communications networks'1999 5,809,012'Connectionless communication system'1998 5,790,525'Information collection device and method for use with communications networks'1998 5,689,501'Connectionless communication system'1997 5,610,913'Switching equipment for performing a switching operation for a high-speed packet in broadband Integrated Services Digital Network'1997 5,513,191'Asynchronous transfer mode (ATM) cell error processing system'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2020Patents assigned to FUJITSU LTD (33)· patent assignee history

1996–2020Based in Kawasaki, JP· patent location history

1998–2004Based in Kanagawa, JP· patent location history

2012–2014Patents assigned to TAKECHI RYUICHI (6)· patent assignee history

2012–2014Patents assigned to OBUCHI KAZUHISA (4)· patent assignee history

2012–2014Patents assigned to OHTA YOSHIAKI (4)· patent assignee history

2012–2014Patents assigned to SUGIYAMA KATSUMASA (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	33	1996–2020
TAKECHI RYUICHIself	6	2012–2014
OBUCHI KAZUHISA	4	2012–2014
OHTA YOSHIAKI	4	2012–2014
SUGIYAMA KATSUMASA	4	2012–2014

Locations

Location	Patents	Span
Kawasaki, JP	30	1996–2020
Kanagawa, JP	4	1998–2004