MATSUSHITA GRAPHIC COMMUNICATION SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 7235
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6493103 Image communicating method, facsimile type electronic mail apparatus and facsimile apparatusMar 18, 98Dec 10, 02[H04L, H04N]
6441916 Internet facsimile apparatus and E-mail communication methodFeb 01, 00Aug 27, 02[H04N, G06F]
6307643 Facsimile machineJan 03, 00Oct 23, 01[H04N]
6259533 Facsimile apparatus for transmitting facsimile data as an electronic mail and electronic mail transmitting methodAug 21, 98Jul 10, 01[H04N]
6172763 Image communicating method, facsimile type electronic mail apparatus and facsimile apparatusMar 18, 98Jan 09, 01[G06F]
6038252 Modulator and demodulator (MODEM)Jun 30, 98Mar 14, 00[H04B]
6028982 Image communicating method, facsimile type electronic mail apparatus and facsimile apparatusMar 18, 98Feb 22, 00[H04N]
6021303 Image heating device and image forming device using the sameMay 11, 99Feb 01, 00[G03G]
5787239 Image processing/communication systemJul 17, 96Jul 28, 98[G06F]
5568277 Facsimile apparatus with improved control board arrangementJun 06, 95Oct 22, 96[H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6836341 Data communication apparatus having common memory for storing video and audio dataExpiredApr 03, 02Dec 28, 04[G06F]
6804023 Information communication systemExpiredAug 31, 99Oct 12, 04[G06F]
6674548 Facsimile apparatus determining type of received image to select printing deviceExpiredFeb 26, 92Jan 06, 04[H04N]
6647226 Image forming apparatus having a plurality of image forming units with handlesExpiredAug 20, 01Nov 11, 03[G03G]
6625646 Communications method, communications system, communications device, and serverExpiredSep 10, 99Sep 23, 03[G06F]
6397027 Image forming apparatus having a plurality of image forming units with pivotable subunitsExpiredAug 20, 01May 28, 02[G03G]
2001/0050,774 IMAGE PROCESSING DEVICEAbandonedJul 01, 98Dec 13, 01[H04N, G06K]
6202122 Facsimile apparatus using a memory device with reloadable memory block having variable data occupancy rateExpiredOct 14, 98Mar 13, 01[H04N, G06F]
6175742 Image transmission apparatus including main and sub facsimile units designed to establish radio communicating therebetween responsive to a field strengh detected in the radio signalExpiredMay 20, 98Jan 16, 01[H04Q]
5917617 Communication apparatus for transmitting and receiving informationExpiredNov 21, 96Jun 29, 99[H04N, B65H]
5822081 Facsimile apparatus with improved network control and power supply section arrangementExpiredJun 05, 95Oct 13, 98[H04N]
5739921 Communication system with line-master, master-slave disconnection detection meansExpiredAug 23, 96Apr 14, 98[H04N]
5737097 Information communication apparatusExpiredApr 08, 96Apr 07, 98[H04N]
5717493 Communication systemExpiredJan 03, 95Feb 10, 98[H04N]
5671067 Facsimile apparatus for optically recognizing characters and transmitting the recognized characters and communication system for transmitting the recognized characters between a terminal and a centerExpiredJun 05, 95Sep 23, 97[H04N]
5627661 Facsimile apparatus for optically recognizing characters and transmitting the recognized characters and communication system for transmitting the recognized characters between a terminal and a centerExpiredMar 31, 95May 06, 97[H04N]
5615198 Optical head and image recording apparatus including the sameExpiredApr 04, 95Mar 25, 97[G11B]
5612993 Facsimile communication systemExpiredJun 24, 94Mar 18, 97[H04M]
5608540 Preferential recording system for a facsimile apparatusExpiredSep 09, 94Mar 04, 97[H04N]
5587798 Encoding and decoding methods for use in facsimileExpiredNov 13, 95Dec 24, 96[H04N]

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