Daniel Michael Doulton — 14 Patents at Microsoft

Daniel Michael Doulton has been granted 14 US patents while listed as an inventor at Microsoft. The first was granted in 2009 and the most recent in September 2025. Daniel Michael Doulton ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Daniel Michael Doulton in San Francisco, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12428173	Solar powered stratospheric glider	Andrew Charles Elson	2025-09-30
9191515	Mass-scale, user-independent, device-independent voice messaging system	—	2015-11-17	$14,073,000
8989713	Selection of a link in a received message for speaking reply, which is converted into text form for delivery	—	2015-03-24	$3,714,000
8989785	Method of providing voicemails to a wireless information device	—	2015-03-24	$3,714,000
8976944	Mass-scale, user-independent, device-independent voice messaging system	—	2015-03-10	$8,585,000
8953753	Mass-scale, user-independent, device-independent voice messaging system	—	2015-02-10	$8,452,000
8934611	Mass-scale, user-independent, device-independent voice messaging system	—	2015-01-13	$26,404,000
8903053	Mass-scale, user-independent, device-independent voice messaging system	—	2014-12-02	$6,879,000
8750463	Mass-scale, user-independent, device-independent voice messaging system	—	2014-06-10	$9,458,000
8682304	Method of providing voicemails to a wireless information device	—	2014-03-25	$7,590,000
8654933	Mass-scale, user-independent, device-independent, voice messaging system	—	2014-02-18	$13,490,000
8509825	Method of providing voicemails to a wireless information device	—	2013-08-13	$17,114,000
8374863	Mass-scale, user-independent, device-independent voice messaging system	—	2013-02-12
7532913	Method of managing voicemails from a mobile telephone	—	2009-05-12

Daniel Michael Doulton — 14 Patents

Patents per Year

Issued Patents All Time

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