Ranjan Dutta has been granted 10 US patents while listed as an inventor at AT&T . The first was granted in 1991 and the most recent in August 2021. Ranjan Dutta ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Ranjan Dutta in Foster City, CA, US.
Patents per Year Patents granted per year, 1991 to 2021 Bar chart with a peak of 2 patents in 1991. peak 2 1991: 2 patents 1991 1995: 2 patents 1995 1999: 1 patents 1999 2002: 1 patents 2002 2004: 1 patents 2004 2005: 1 patents 2005 2019: 1 patents 2019 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11086871 Database conditional field access Varun Sharma , Aman Madaan , Somashekhar Pammar , Zian Huang 2021-08-10
$253,549,000
10346400 Database conditional field access Varun Sharma , Aman Madaan , Somashekhar Pammar , Zian Huang 2019-07-09
6911645 DWDM channel detection system Alexander Beger , Mitchell E. Haller , Shuai Shen 2005-06-28
$9,658,000
6748150 Apparatus and method for managing dispersion within an optical add/drop module Diego Grosz , Alejandra B. Gurevich , Alain P. Kung , Magaly Spector 2004-06-08
$11,620,000
6344919 Methods and systems for producing linear polarization states of light at the end of a length of optical fiber William R. Holland 2002-02-05
$50,822,000
5903056 Conductive polymer film bonding technique Everett J. Canning, Jr. 1999-05-11
$129,887,000
5415730 Metal coated optical fiber techniques Everett J. Canning, Jr. 1995-05-16
5389193 Methods for bonding aluminized optical fiber Alexander Coucoulas , Robert Klaiber 1995-02-14
5075756 Low resistance contacts to semiconductor materials — 1991-12-24
5011792 Method of making ohmic resistance WSb, contacts to III-V semiconductor materials — 1991-04-30
