Observatoire Cantonal de Neuchatel

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION191
 
  
 
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
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5387881 Atomic frequency standardMar 09, 93Feb 07, 95[H03L, H03B, H01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5847618 Atomic maser with cylindrical sapphire storage bulbExpiredSep 19, 96Dec 08, 98[H03L, H01S]
5838206 Active hydrogen maser atomic frequency standardExpiredSep 19, 96Nov 17, 98[H03L]
5656974 Atomic frequency oscillatorExpiredMar 06, 96Aug 12, 97[H03L, H03B]

Top Inventors for This Owner

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