Search Results

You are looking at 1 - 4 of 4 items for :

  • "dating formulae" x
  • Mathematics and Statistics x
  • All content x
Clear All

traditional TRIF annually published in JCR, but is just as much up-to-date for the published items cited, see Figs. 1 and 2 . This facet of currency of the impact factor is vital for a commercial vendor of the product. The 5-year synchronous TRIF also

Restricted access

date for all patents. In addition to truncation, patent stock effects, advances in search technology, and institutional changes in the operation of the USPTO make time-series analysis questionable and, as a result, Hall et al. ( 2001 ) recommend that

Restricted access

, extended families would be the most useful definition for the analysis of patent applicant strategies, time lapse between first priority and latest filing date for the protection of single or close inventions, the span of technology fields included in a

Restricted access

generate an age_of_disclosure variable, defined as the difference between the disclosure date and the mean disclosure date for this particular standard. For the 993 pool patents, we use an earlier database including an age_of_input variable, defined as

Restricted access