TOKYO FM BROADCASTING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6052388 Information transmission/reception systemAug 14, 97Apr 18, 00[H04L]
6049873 Scrambled information transmitting and receiving methodJun 12, 97Apr 11, 00[H04N]
5857149 Multibroadcast receiver for extracting desired broadcast information based on an identification codeJan 18, 96Jan 05, 99[H04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0056,008 Updating system of music database, transmission apparatus of music database, terminal having update function of music database, updating method of music database, transmission method of music database, and updating method of music database in terminalAbandonedAug 25, 04Mar 08, 07[H04N]
5946026 Multibroadcast receiverExpiredMay 13, 96Aug 31, 99[H04N]

Top Inventors for This Owner

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