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For the Inventor, By the Inventor

San Jose, CA, United States of America

Kumar R Virwani

USPTO Granted Patents = 15 

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 35(Granted Patents)


Location History:

  • San Jose, CA (US) (2014 - 2018)
  • Santa Clara, CA (US) (2021 - 2022)

Company Filing History:

goldMedal15 out of 164,108 
 
International Business Machines Corporation
 patents

Years Active: 2014-2025

where 'Filed Patents' based on already Granted Patents

15 patents (USPTO):
1. 12284922 - Stacked access device and resistive memory (2025-04-21),
2. 11289650 - Stacked access device and resistive memory (2022-03-29),
3. 11273357 - Interactive exercise experience (2022-03-15),
4. 10903270 - Access device and phase change memory combination structure in backend of line (BEOL) (2021-01-26),
5. 9951184 - Methods of preparing polyhemiaminals and polyhexahydrotriazines (2018-04-24),
6. 9773978 - Optimal device structures for back-end-of-line compatible mixed ionic electronic conductors materials (2017-09-26),
7. 9773513 - Hardening chromium oxide films in a magnetic tape head and other structures (2017-09-26),
8. 9766170 - Determination of young'S modulus of porous thin films using ultra-low load nano-indentation (2017-09-19),
9. 9705079 - Tunable voltage margin access diodes (2017-07-11),
10. 9680096 - Tunable voltage margin access diodes (2017-06-13),
11. 9647210 - Tunable voltage margin access diodes (2017-05-09),
12. 9589635 - Semiconductor device with a stoichiometric gradient (2017-03-07),
13. 9508930 - Tunable voltage margin access diodes (2016-11-29),
14. 9243107 - Methods of preparing polyhemiaminals and polyhexahydrotriazines (2016-01-26),
15. 8830725 - Low temperature BEOL compatible diode having high voltage margins for use in large arrays of electronic components (2014-09-09),

Title: Innovations of Kumar R Virwani

Introduction

Kumar R Virwani is a prominent inventor based in San Jose, California. He has made significant contributions to the field of semiconductor technology, holding a total of 15 patents. His work focuses on advancing memory devices, which are crucial for modern computing.

Latest Patents

Among his latest innovations is the patent for a "Stacked access device and resistive memory." This semiconductor device features a stack disposed on a base structure, which includes an access device stack and a resistive random-access memory (ReRAM) device stack. The design incorporates sidewall spacers along a portion of the stack, a dielectric layer over the stack, the sidewall spacers, and the base structure, as well as an interlevel dielectric on the dielectric layer. This invention represents a significant advancement in memory technology.

Career Highlights

Kumar R Virwani is currently employed at International Business Machines Corporation (IBM), where he continues to innovate and develop cutting-edge technologies. His expertise in semiconductor devices has positioned him as a key player in the industry.

Collaborations

Throughout his career, Kumar has collaborated with talented individuals such as Mohit Bajaj and Kota V R M Murali. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.

Conclusion

Kumar R Virwani's contributions to semiconductor

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