Ramsey S Lewis

This inventor holds 21 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent and 1 EPO patent, primarily in Tobacco Genetic Engineering. Top assignees: North Carolina State University, 22Nd Century Limited, LLC, Philip Morris Products S.a.. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ramsey S Lewis. Retrieved from https://idiyas.com/inventor/ramsey-s-lewis

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

USPTO Granted Patents = 21 (Patent Applications = 6)

% Patents Active = 95.2

CIPO Patents = 1 (Patent Applications = 3)

EPO Patents = 1 (Patent Applications = 12)

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 72(Granted Patents)

Company Filing History:

21 out of 1,493

North Carolina State University

patents

1 out of 52

22Nd Century Limited, LLC

patents

1 out of 1,449

Philip Morris Products S.a.

patents

where one patent can have more than one assignee

Years Active: 2015-2025

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Areas of Expertise:

Nornicotine Synthesis

Tobacco Mutagenesis

Low Nicotine Content

Tobacco Hybrid Plants

Genetic Approaches

Tobacco Products

Nitrate Assimilation

Inbred Plants

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12310324 - Compositions and methods for minimizing nornicotine synthesis in tobacco (2025-05-27),

2. 12270038 - Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids (2025-04-08),

3. 12171177 - Genetic approach for achieving ultra low nicotine content in tobacco (2024-12-24),

4. 11877556 - Compositions and methods for minimizing nornicotine synthesis in tobacco (2024-01-23),

5. 11753649 - Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids (2023-09-12),

6. 11666082 - Reducing tobacco specific nitrosamines through alteration of the nitrate assimilation pathway (2023-06-06),

7. 11399500 - Tobacco inbred and hybrid plants and uses thereof (2022-08-02),

8. 11304395 - Compositions and methods for minimizing nornicotine synthesis in tobacco (2022-04-19),

9. 11214813 - Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids (2022-01-04),

10. 10736292 - Tobacco inbred and hybrid plants and uses thereof (2020-08-11),

11. 10681883 - Compositions and methods for minimizing nornicotine synthesis in tobacco (2020-06-16),

12. 10590429 - Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids (2020-03-17),

13. 10194624 - Compositions and methods for minimizing nornicotine synthesis in tobacco (2019-02-05),

14. 10091963 - Tobacco inbred and hybrid plants and uses thereof (2018-10-09),

15. 9603335 - Tobacco inbred plants K326 SRC, CMS K326 SRC, K346 SRC, CMS K346 SRC, NC1562-1 SRC, NCTG-61 SRC, CMS NCTG-61 SRC and hybrid NC196 SRC (2017-03-28),

Title: Innovations of Ramsey S Lewis in Tobacco Genetics

Introduction

Ramsey S Lewis, an accomplished inventor based in Apex, NC, holds an impressive portfolio of 19 patents. His innovative work primarily focuses on genetic approaches to reduce harmful substances in tobacco, aiming to make tobacco products less carcinogenic for consumers.

Latest Patents

Among his latest patents, one notable invention is a genetic approach for achieving ultra-low nicotine content in tobacco. This invention relates to tobacco products derived from plants containing mutated berberine bridge enzyme-like nucleic acids along with the recessive nic1 and/or nic2 alleles, alongside methods for making these products. Another significant patent addresses compositions and methods for minimizing nornicotine synthesis in tobacco. This innovation focuses on reducing the levels of nornicotine and its carcinogenic derivative, N'-nitrosonornicotine (NNN), through isolated polynucleotides and polypeptides targeting root-specific nicotine demethylases. The invention includes tobacco plants that possess mutations in genes encoding the CYP82E10 nicotine demethylase, aimed at reducing the expression and function of this enzyme. Such methods contribute to producing tobacco products with lower carcinogenic potential, thereby enhancing consumer safety.

Career Highlights

Throughout his career, Ramsey S Lewis has contributed significantly to the field of tobacco genetics. He has worked in prominent institutions, including North Carolina State University and Philip Morris Products S.A. His role in these organizations has facilitated numerous scientific advancements concerning tobacco product safety and composition.

Collaborations

Ramsey has collaborated with esteemed colleagues, including Ralph E Dewey and Jianli Lu, enhancing the depth of research and innovation within his projects. These partnerships have been instrumental in developing effective methodologies for reducing harmful substances in tobacco.

Conclusion

Ramsey S Lewis stands out as a pivotal figure in the realm of tobacco innovation, leveraging genetic science to decrease the health risks associated with tobacco consumption. His contributions, encapsulated in his 19 patents, reflect a commitment to improving public health and advancing the science of tobacco products.

Profile summary based on public USPTO records.