US Patent No: D304175

Number of patents in Portfolio can not be more than 2000

Input/output terminal

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SHARP KABUSHIKI KAISHAOSAKA17714

International Classification(s)

  • International Classification not provided for expired patents

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawamura, Masaki Hiroshima-ken, JP 27 213
Sakaguchi, Hiroshi Amagasaki, JP 123 1081

Cited Art

Patent Info (Count) # Cites Year
 
CANON KABUSHIKI KAISHA (1)
D263969 Electronic dictionary 9 1980
 
COMPUTA-GUIDE INTERNATIONAL, INC. (1)
D278916 Calculator for highway travel 6 1983
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
D260646 Combined radio, clock and calculator 19 1979
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
D280217 Talking mathematics trainer 27 1983
 
NORAND CORPORATION (1)
D258956 Portable data entry terminal 67 1979
 
SHARP CORPORATION (1)
D279109 Calculator 12 1983

Patent Citation Ranking

  • Citation Ranking not provided for expired patents

Forward Cites

Patent Info (Count) # Cites Year
 
RESEARCH IN MOTION LIMITED (32)
7,083,342 Keyboard arrangement 32 2004
D517037 Handheld communication device 29 2004
D517056 Handheld communication device 15 2004
D516547 Handheld communication device 22 2004
7,439,959 Key arrangement for a keyboard 5 2004
D525222 Handheld communication device 28 2004
D525223 Handheld communication device 39 2004
D516548 Handheld communication device 15 2004
D514541 Handheld communication device 19 2004
D525619 Keyboard for a handheld communication device 2 2005
D524302 Keyboard for a handheld communication device 3 2005
D523006 Keyboard for a handheld communication device 9 2005
D530712 Keyboard for a handheld communication device 7 2005
D525243 Speaker port for a handheld communication device 3 2005
D524303 Keyboard for a handheld communication device 4 2005
D522484 Housing for a handheld communication device 26 2005
D522485 Handheld communication device 22 2005
D524803 Keyboard for a handheld communication device 21 2005
D521973 Housing for a handheld communication device 3 2005
D521989 Speaker port for a handheld communication device 0 2005
D521485 Handheld communication device 23 2005
D521506 Keyboard for a handheld communication device 12 2005
D528098 Housing for a handheld communication device 5 2005
D525244 Speaker port for a handheld communication device 3 2005
D523423 Keyboard for a handheld communication device 61 2005
D523007 Keyboard for a handheld communication device 4 2005
D522486 Handheld communication device 37 2005
7,819,598 Keyboard arrangement 1 2005
D588119 Keyboard for a handheld mobile communication device 63 2006
7,938,589 Keyboard arrangement 0 2006
8,259,074 Key arrangement for a keyboard 0 2008
8,419,303 Keyboard with overlaid numeric phone keypad 0 2010
 
SIERRA WIRELESS, INC. (5)
7,102,620 Mobile electronic device 19 2002
D509493 Wireless mobile telephone 19 2003
D496642 Electronic communication device 56 2003
D496655 Keyboard of an electronic communication device 43 2003
D511334 Electronic communication device 14 2004
 
GELLYFISH TECHNOLOGY OF TEXAS, LLC (2)
D470150 Hand-held device keypad 66 2002
D470151 Hand-held device keyboard 22 2002
 
FANUC AUTOMATION NORTH AMERICA, INC., A CORP. OF DE (1)
D329228 Handheld programmer for use with computer peripherals 5 1991
 
KABUSHIKI KAISHA TOSHIBA (1)
D309729 Data entry terminal 48 1988
 
NINTENDO OF AMERICA INC. (1)
D322242 Remote control transmitter 22 1989
 
PATIENTLINE PLC (1)
D471559 Alphanumeric input device 43 2001
 
SHARP KABUSHIKI KAISHA (1)
D564499 Input/output terminal for computer 10 2006
 
SPRAYING SYSTEMS CO. (1)
D316267 Calibration calculator 2 1988