Ricoh Microelectronics, Company, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B41C PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES 116
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
B41N PRINTING PLATES OR FOILS 118
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7732935 Wiring board, electronic circuit board, electronic apparatus and manufacturing method of electronic circuit boardApr 20, 06Jun 08, 10[H01L]
6586685 Bump electrode and printed circuit boardMar 16, 99Jul 01, 03[H01R, H05K]
6170394 Method of preparing and using a plastic mask for paste printingApr 16, 99Jan 09, 01[B41M, B41N]
5887520 Method of fabricating plastic mask for paste printing with an excimer laserDec 28, 95Mar 30, 99[B23K, B41C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7539751 Media information distribution and recording system, and apparatus and program-recorded medium for the systemExpiredDec 22, 04May 26, 09[G06F]
6853985 Media information distribution and recording system, and apparatus and program-recorded medium for the systemExpiredFeb 16, 00Feb 08, 05[G06F]
6501667 Data writing systemExpiredJul 03, 01Dec 31, 02[G06F, G11C]
6405647 Intaglio printing method, intaglio printer and touch panelExpiredJul 13, 01Jun 18, 02[B41F]
6405648 Intaglio printing method, intaglio printer and touch panelExpiredFeb 23, 98Jun 18, 02[B41M]
6346687 Energy beam processing method and processing apparatus thereforExpiredFeb 18, 99Feb 12, 02[B23K]
6300594 Method and apparatus for machining an electrically conductive filmExpiredFeb 18, 99Oct 09, 01[B23K]
6286424 Plastic mask unit for paste printing and method of fabricating such plastic mask unitExpiredDec 20, 96Sep 11, 01[B41M]
6288830 Optical image forming method and device, image forming apparatus and aligner for lithographyExpiredMay 12, 99Sep 11, 01[G02B]
6272071 Speed measuring apparatusExpiredNov 25, 98Aug 07, 01[G01S]
2001/0007,171 Method of producing nozzle plate for use in ink jet printerAbandonedJan 22, 01Jul 12, 01[B23P, H01R]
6256883 Method of producing nozzle plate for use in ink jet printerExpiredMay 28, 99Jul 10, 01[D01D, B21D]
6225205 Method of forming bump electrodesExpiredJan 21, 99May 01, 01[H01L]
6109175 Intaglio printing method, intaglio printer, method of formation of bumps or wiring pattern, apparatus therefor, bump electrode and printed circuit boardExpiredFeb 20, 98Aug 29, 00[B41M, H05K]
6063476 Method of fabricating plastic mask for paste printing, plastic mask for paste printing, and paste printing methodExpiredDec 11, 98May 16, 00[B50C, B32B]

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