Sankar Dasgupta

This inventor holds 28 USPTO granted patents and 4 published patent applications, plus 10 CIPO patents, primarily in Lithium-Ion Battery Chemistry. Top assignees: Electrovaya Inc., Electrofuel Inc., Electrofuel Manufacturing Company. Active years: 1994-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sankar Dasgupta. Retrieved from https://idiyas.com/inventor/sankar-dasgupta

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 28 (Patent Applications = 4)

% Patents Active = 92.9

CIPO Patents = 10 (Patent Applications = 2)

Average Co-Inventor Count = 2.1

ph-index = 18

Forward Citations = 1,035(Granted Patents)

Location History:

Toronto, CA (1994 - 2004)
Mississauga, CA (2004 - 2011)

Company Filing History:

Electrofuel Manufacturing Company

patents

4. 12 out of 834,513

Other

patents

Years Active: 1994-2011

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Areas of Expertise:

Composite Polymer Electrolytes

Lithium Battery Structure

Energy Storage Device

High Efficiency Power Supply

Particulate Electrode

Lithium-Manganese Oxide Electrode

Current Collector

Thin Film Lithium Battery

Exhaust Gas Filter

Ceramic Compositions

Cutting Tool Insert

Heating Rate Regulator

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7923156 - Composite polymer electrolytes for a rechargeable lithium battery (2011-04-12),

2. 7588862 - Composite polymer electrolytes for a rechargeable lithium battery (2009-09-15),

3. 7570012 - Energy storage device for loads having variable power rates (2009-08-04),

4. 7432687 - High efficiency switching power supply (2008-10-07),

5. 7405497 - Integrated power supply system (2008-07-29),

6. 7033702 - Particulate electrode including electrolyte for a rechargeable lithium battery (2006-04-25),

7. 6815121 - Particulate electrode including electrolyte for a rechargeable lithium battery (2004-11-09),

8. 6753114 - Composite electrolyte for a rechargeable lithium battery (2004-06-22),

9. 6337154 - Battery box with a metal plastic laminate end (2002-01-08),

10. 6296967 - Lithium battery structure incorporating lithium pouch cells (2001-10-02),

11. 6261722 - Lithium battery having improved current collecting means (2001-07-17),

12. 6159635 - Composite electrode including current collector (2000-12-12),

13. 6080508 - Packaging assembly for a lithium battery (2000-06-27),

14. 6007945 - Negative electrode for a rechargeable lithium battery comprising a solid (1999-12-28),

15. 5721067 - Rechargeable lithium battery having improved reversible capacity (1998-02-24),

Title: Innovations by Sankar Dasgupta: A Pioneer in Polymer Electrolytes for Lithium Batteries

Introduction: Sankar Dasgupta, based in Toronto, CA, is an accomplished inventor known for his contributions to the field of polymer electrolytes, particularly in rechargeable lithium batteries. With a remarkable portfolio of 28 patents, Dasgupta has made significant strides in enhancing battery technology, paving the way for more efficient energy storage solutions.

Latest Patents: One of Dasgupta's latest innovations includes the development of composite polymer electrolytes for rechargeable lithium batteries. This composite electrolyte is designed for use in thin plate rechargeable lithium batteries and features a porous or micro-porous inert multi-layered polymer separator laminate. This separator carries an adherent second polymer coating that contains a dissociable lithium compound. The separator is impregnated with an organic liquid incorporating another lithium salt.

The innovation also includes a unique design where the porous or micro-porous separator laminate comprises multiple polymer layers. Notably, at least one of these layers has a melting temperature at least 20°C below that of the other layers. The composite porous electrolyte enhances the efficiency of the rechargeable lithium battery by being strategically placed between the electrodes. Additionally, some embodiments showcase a porous polymer separator sheet with a solid second polymer layer containing a dissociable lithium compound on each of its major faces.

Career Highlights: Throughout his career, Sankar Dasgupta has garnered valuable experience working at Electrovaya Inc. His expertise in polymer technology and battery systems has established him as a key player in the innovation landscape of energy storage solutions.

Collaborations: Dasgupta has collaborated with notable individuals in his field, including James K Jacobs and Rakesh Bhola. These partnerships have further enhanced his innovative capabilities, leading to significant advancements in rechargeable battery technologies.

Conclusion: Sankar Dasgupta exemplifies the spirit of innovation within the realm of energy storage, contributing cutting-edge solutions that push the boundaries of current technology. With his numerous patents, he continues to inspire future developments in rechargeable lithium batteries and beyond.

Profile summary based on public USPTO records.