Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Robert Griffiths — 4 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
GPGte Products: 1 patents #520 of 928Top 60%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Charles Robert Griffiths has been granted 4 US patents while listed as an inventor at Microsoft. The first was granted in 1982 and the most recent in February 2016. Charles Robert Griffiths ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles Robert Griffiths in Guildford, ME, GB.

Patents per Year

Patents granted per year, 1982 to 2016Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821997: 1 patents19972014: 1 patents20142016: 1 patents2016

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9259643 Control of separate computer game elements Thomas William Lansdale 2016-02-16 $29,091,000
8702507 Manual and camera-based avatar control Thomas William Lansdale 2014-04-22 $23,747,000
5651519 Robot dress bar John Goodrich 1997-07-29
4320309 Oscillatory circuit utilizing PTC resistor William George Ferguson 1982-03-16 $5,315,000