TSUBOUCHI, KAZUO

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 170

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6034434 Optimized underlayer structures for maintaining chemical mechanical polishing removal ratesFeb 06, 98Mar 07, 00[H01L]
5905449 Radio switching apparatusMar 06, 97May 18, 99[H03H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6865174 Code division multiple access communication systemExpiredOct 27, 00Mar 08, 05[H04B]
6229409 Surface acoustic wave matched filterExpiredMar 18, 99May 08, 01[H04B, H03H, H04J]
6222300 Communication system using a surface acoustic wave-matched filterExpiredNov 05, 99Apr 24, 01[H01L]
6061342 Code division multiple access apparatusExpiredMar 20, 97May 09, 00[H04B, H04J]
6018641 Radio IC card systemExpiredApr 10, 97Jan 25, 00[H04B]
5995806 Radio data transmitter and receiverExpiredMar 19, 97Nov 30, 99[H04B]

Top Inventors for This Owner

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