Nihon Musen Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
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
5528806 Tunable composite longitudinal vibration mechanical filter manufacturing methodJul 19, 94Jun 25, 96[H03H]
5523641 Surface acoustic wave deviceSep 08, 94Jun 04, 96[H01L]
5061935 Three-dimensional display radarMar 15, 91Oct 29, 91[G01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5751200 Composite longitudinal vibration mechanical filter having undesired vibration absorberExpiredJun 05, 95May 12, 98[H03H]
5740595 Composite longitudinal vibration mechanical filter's method of manufacturing including undesired vibration absorberExpiredJan 03, 96Apr 21, 98[H04R]
5218708 Videotext communication network with a receiving terminal that automatically preforms operations to network responsive to predetermined scheduleExpiredOct 18, 89Jun 08, 93[H04N]
5195111 Programmable frequency dividing apparatusExpiredAug 13, 91Mar 16, 93[H03K]
5187458 Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing sameExpiredFeb 21, 90Feb 16, 93[H03H]
5175519 Surface elastic wave filter having finger omitted transducers to eliminate side lobesExpiredApr 18, 90Dec 29, 92[H03H]
5065415 Programmable frequency dividerExpiredFeb 21, 90Nov 12, 91[H03K]
5045813 Slip phase control PLLExpiredFeb 21, 90Sep 03, 91[H03L]
4973875 Surface elastic wave deviceExpiredNov 16, 88Nov 27, 90[H01L]
4968981 GPS receiver apparatusExpiredOct 11, 89Nov 06, 90[H04B]
4941207 Structure for wireless communication in an electromagnetically shielded buildingExpiredMar 06, 87Jul 10, 90[H04B]
4878036 Surface elastic wave filterExpiredJul 15, 87Oct 31, 89[H03H]
4644358 Stem orientation measurement apparatusExpiredJun 23, 83Feb 17, 87[H04B, G01S]

Top Inventors for This Owner

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