Inventor

Shigeru Sekine

Inventor

Tokyo, JP

Overview

18→

Patents

1994–2009

Patent span

Electricity

Primary field (CPC H)

Patents· 18 as inventor

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

G06Fprimary

G06FElectric digital data processing28%

H04LTransmission of digital information, e.g. telegraphic communication19%

H04QSelecting13%

G01RMeasuring electric variables9%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%

H02JElectric power networks9%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

G11BInformation storage based on relative movement between record carrier and transducer3%

PatentTitleYear

7,551,612'Intra-station control system for connectionless communications system'2009 6,654,385'Message division communication method and communication system'2003 6,466,576'ATM switching unit'2002 6,333,932'Connectionless communications system, its test method, and intra-station control system'2001 6,272,454'Debugging and cosimulation method for wide band switch firmware'2001 6,266,325'Method of controlling path audit in switches'2001 6,191,938'Electronic apparatus having switch operated by rotatable display-unit'2001 6,064,179'Battery set structure and charge/discharge control apparatus for lithium-ion battery'2000 6,060,864'Battery set structure and charge/discharge control apparatus for lithium-ion battery'2000 5,953,334'ATM switching system'1999 5,903,131'Battery set structure and charge/discharge control apparatus for lithium-ion battery'1999 5,898,425'Computer system with keyboard and pointing device interface for managing device input codes'1999 5,738,536'Portable electronic apparatus having a connector cover which can be housed in a case'1998 5,680,625'Computer system for avoiding coincidence of port address on a bus during expansion'1997 5,592,362'Electronic system having portable electronic apparatus and external expansion unit for expanding function of electronic apparatus'1997 5,440,748'Computer system capable of connecting expansion unit'1995 5,428,798'Computer system capable of connecting expansion unit'1995 5,329,538'Circuit for providing digital data having high clarity in a digital signal receiver'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2009Patents assigned to FUJITSU LTD (8)· patent assignee history

1994–2009Based in Kawasaki, JP· patent location history

1995–2001Patents assigned to TOSHIBA KK (10)· patent assignee history

1995–2001Based in Tokyo, JP· patent location history

2001Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	10	1995–2001
FUJITSU LTD	8	1994–2009

Locations

Location	Patents	Span
Tokyo, JP	10	1995–2001
Kawasaki, JP	7	1994–2009
Kanagawa, JP	1	2001