Francis Shen has been granted 17 US patents while listed as an inventor at Aastra Technologies Limited . The first was granted in 1996 and the most recent in June 2017. Francis Shen ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Francis Shen in Concord, NS, CA.
Patents per Year Patents granted per year, 1996 to 2017 Bar chart with a peak of 7 patents in 2000. peak 7 1996: 1 patents 1996 2000: 7 patents 2000 2001: 1 patents 2001 2002: 4 patents 2002 2015: 1 patents 2015 2016: 1 patents 2016 2017: 2 patents 2017 Issued Patents All Time
Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9674286 Collaboration system and method Paulo Francisco 2017-06-06
$3,717,000
9648279 Method and system for video communication Paulo Francisco , David Sayson , Stephane Angelot , Keith Huthmacher , Lloyd Hucke 2017-05-09
$6,416,000
9241129 Video calls for external networks Paulo Francisco 2016-01-19
$7,022,000
9035991 Collaboration system and method Paulo Francisco 2015-05-19
$7,670,000
D464636 Telephone set Silviu Tanase 2002-10-22
D463390 Telephone set Silviu Tanase 2002-09-24
D461462 Telephone set Silviu Tanase 2002-08-13
D460954 Telephone set Silviu Tanase 2002-07-30
D449594 Screen portion for telephone set Silviu Tanase 2001-10-23
D435040 Corner indicator for caller ID display device Peter Welch 2000-12-12
6061438 Extension-in-use exclusion apparatus Anthony P. Shen , Grigor K. Kotzev 2000-05-09
D420672 Caller ID display buttons David Dunn 2000-02-15
D420673 Caller ID display device without a variable extending stand Peter Welch 2000-02-15
D420009 Caller ID display device David Dunn 2000-02-01
D419566 Caller ID display stand extension David Dunn 2000-01-25
D418516 Angled stand for caller ID display device Peter Welch 2000-01-04
5481594 Audio caller identification unit Anthony P. Shen , Eric Edwards , Gerrard B. Schmid , Grigor K. Kotzev 1996-01-02