NIHON KOSHUHA CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5106
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 456
 
  
 
H05H PLASMA TECHNIQUE 228
 
  
 
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
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 135
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 162

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9419323 Power combiner/divider of a radial line type impedance matched between a center connector and peripheral outer connectorsJan 09, 13Aug 16, 16[H01P]
8779873 Ferrite phase shifter and automatic matching apparatusJul 19, 12Jul 15, 14[H01P]
8427254 Ferrite phase shifter and automatic matching apparatusOct 15, 08Apr 23, 13[H01P]
7545226 Magnetron oscillatorSep 15, 05Jun 09, 09[H03L, H03B]
7186314 Plasma processor and plasma processing methodJan 26, 04Mar 06, 07[C23F]
7102110 Magnetron oscillating apparatusMar 30, 05Sep 05, 06[H05B]
6043608 Plasma processing apparatusOct 31, 97Mar 28, 00[H05B]
5936352 Plasma processing apparatus for producing plasma at low electron temperaturesNov 20, 96Aug 10, 99[H05B]
5929570 Micro-wave plasma device with a metal cooling wire wrapped around the insulating tubeFeb 19, 98Jul 27, 99[H05H]
5900699 Plasma generator with a shield interposing the antennaJun 16, 97May 04, 99[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0211,382 Plasma processing apparatusAbandonedMay 26, 05Sep 29, 05[C23F]
6910440 Apparatus for plasma processingExpiredJan 18, 01Jun 28, 05[C23C, H05H]
2004/0261,717 Matching device and plasma processing apparatusAbandonedMar 26, 04Dec 30, 04[C23C]
6657151 Plasma processing deviceExpiredJun 13, 01Dec 02, 03[B23K]
5365147 Plasma stabilizing apparatus employing feedback controlsExpiredJul 27, 92Nov 15, 94[H01J]
5359282 Plasma diagnosing apparatusExpiredJul 15, 92Oct 25, 94[G01N]
5041803 Automatic load matching circuit for microwaves using multi-element matching deviceExpiredMar 21, 90Aug 20, 91[H03H]

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