Ruby Chakraborty — 4 Patents at 3M

Ruby Chakraborty has been granted 4 US patents while listed as an inventor at 3M. The first was granted in 2014 and the most recent in October 2025. Ruby Chakraborty ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ruby Chakraborty in Woodbury, MN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12450151	System and method for large volume design, build, and test	Frank H. Wong, Anna Schneider, Scott Mackenzie, Anushka Makhija, Peter Vliet +9 more	2025-10-21
10345495	Stain resistant retroreflective articles	Cheryl S. Elsbernd, Shri Niwas, Bruce H. Edwards, Chih-Chung Hsu	2019-07-09	$25,652,000
10215894	Stain resistant retroreflective articles	Cheryl L. S. Elsbernd, Shri Niwas	2019-02-26	$52,672,000
8653218	Synthesis and characterization of amine terminated cycloaliphatic substituted polysiloxanes	Mark D. Soucek, David P. Dworak	2014-02-18

Ruby Chakraborty — 4 Patents

Issued Patents All Time

Patent Widget