NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN

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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 WAVES9100
 
  
 
H01Q AERIALS 3107
 
  
 
B64G COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR 133
 
  
 
C30B SINGLE-CRYSTAL GROWTH 155
 
  
 
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR130
 
  
 
H04B TRANSMISSION 1209
 
  
 
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
5432519 Method of performing beam compression process on antenna pattern of radarMar 14, 94Jul 11, 95[G01S]
5430451 Array antenna mounted on spacecraftsSep 07, 93Jul 04, 95[H04B, H01Q]
5423287 Crystal growing cellNov 22, 93Jun 13, 95[C30B]
5345246 Antenna device having low side-lobe characteristicsJul 19, 93Sep 06, 94[H01Q]
5296863 Beam compression process for antenna patternMar 11, 93Mar 22, 94[H01Q, G01S]
5296864 Beam compression process for antenna patternMar 30, 93Mar 22, 94[G01S]
5283588 Monopulse tracking apparatusDec 11, 92Feb 01, 94[G01S]
5268697 Processing method for antenna patternOct 02, 92Dec 07, 93[G01S]
5252983 Method for reducing side lobes in antenna patternsAug 24, 92Oct 12, 93[G01S]
5248984 Method for processing an antenna patternOct 02, 92Sep 28, 93[G01S]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7748164 Micro gravity environmental control apparatus and micro gravity environmental control methodExpiredApr 24, 03Jul 06, 10[A01G]
2004/0009,090 Nickel based filler metal for brazingAbandonedJul 10, 03Jan 15, 04[C22C]
6615609 AccumulatorExpiredFeb 28, 02Sep 09, 03[F25B]
6581452 Apparatus for measuring volume under microgravityExpiredMar 19, 02Jun 24, 03[B64G]
6494406 Rocket fairing and method of opening the sameExpiredDec 20, 99Dec 17, 02[B64G]
2002/0139,417 Space solar cellAbandonedMar 25, 02Oct 03, 02[H01L]
6392594 Radio wave receiving apparatus having an improved antenna resolutionExpiredSep 20, 99May 21, 02[H01Q]
6259397 Radio wave source information display apparatusExpiredSep 28, 99Jul 10, 01[G01S]
6204809 Radio wave receiving apparatus having an improved antenna resolutionExpiredSep 20, 99Mar 20, 01[H01Q]
6163293 Radio wave receiving apparatus having an improved antenna resolutionExpiredMar 19, 99Dec 19, 00[G01S]
6133997 System for spotting moving objects based on a plurality of artificial satellitesExpiredMar 19, 99Oct 17, 00[C01C, G01B]
6082677 Satellite orbiting toward west in the equatorial plane and meteorological satellite system using the satelliteExpiredNov 12, 98Jul 04, 00[H04B, B64G]
5875402 Time-synchronous communication systemExpiredJun 26, 97Feb 23, 99[H04B, 515-, 67.1, 524-]
5852420 Antenna deviceExpiredMar 30, 93Dec 22, 98[G01S]
5548290 Method of designing transmission power in synthetic aperture radarExpiredMar 09, 95Aug 20, 96[G01S]
5512899 Method of evaluating the image quality of a synthetic aperture radarExpiredFeb 16, 95Apr 30, 96[G01S]
5485162 Method of performing beam compression process on antenna pattern of radarExpiredAug 22, 94Jan 16, 96[G01S]
5469029 Deflection apparatus for raster scanned CRT displaysExpiredMay 25, 94Nov 21, 95[H01J]
5448247 Beam compression method for radar antenna patternsExpiredNov 09, 93Sep 05, 95[G01S]
5422637 Method of performing beam compression process on antenna pattern of radarExpiredMar 14, 94Jun 06, 95[H04B]

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