A (free) statistical report measuring the top 25 in a number of fields at the US Patent & Trademark Office in 2008 has been published as Boliven Patents Top 25.
It is laudable that the company has put the report on the Web for free. My only criticisms is that giving the nationality of the companies or inventors would have added interest, as would analysing by country itself.
Of the top 25 applicants granted utility patents, IBM was number 1 with an industrious 4,088 but only 9 were American. Ten were from Japan and a further two were Korean. None were British (just three were from Europe).
I found a table showing the top 25 examiners fascinating. Ian Simmons had 1,502. If Ian works 300 days a year, that's 5 a day -- truly a Stakhanovite perfomance. Among the inventors, Australian Kia Silverbrook had 577 patents (mostly for inkjet printers and the like).
The tables should be used with care, as "patents" are interpreted to include design patents and plant patents as well as utility patents.
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