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Inventor

DEWEY RALPH E

US37 patents
⚠️ This page may combine multiple inventors who share the name “DEWEY RALPH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV NORTH CAROLINA STATE

27 patents
US7884263B2Feb 8, 2011

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE81 citations97
US11304395B2Apr 19, 2022

Compositions and methods for minimizing nornicotine synthesis in tobacco

UNIV NORTH CAROLINA STATE5 citations84
US11214813B2Jan 4, 2022

Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids

UNIV NORTH CAROLINA STATE4 citations84
US10590429B2Mar 17, 2020

Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids

UNIV NORTH CAROLINA STATE5 citations84
US10194624B2Feb 5, 2019

Compositions and methods for minimizing nornicotine synthesis in tobacco

UNIV NORTH CAROLINA STATE4 citations84
US10091963B2Oct 9, 2018

Tobacco inbred and hybrid plants and uses thereof

UNIV NORTH CAROLINA STATE5 citations84
US9560830B2Feb 7, 2017

Tobacco inbred and hybrid plants and uses thereof

UNIV NORTH CAROLINA STATE6 citations84
US10383299B2Aug 20, 2019

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE4 citations83
US10292353B2May 21, 2019

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE4 citations83
US9913451B2Mar 13, 2018

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE8 citations83
US11877556B2Jan 23, 2024

Compositions and methods for minimizing nornicotine synthesis in tobacco

UNIV NORTH CAROLINA STATE2 citations73
US11753649B2Sep 12, 2023

Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids

UNIV NORTH CAROLINA STATE2 citations73
US9603335B2Mar 28, 2017

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

UNIV NORTH CAROLINA STATE6 citations73
US9596824B2Mar 21, 2017

Tobacco inbred and hybrid plants and tobacco products made thereof

UNIV NORTH CAROLINA STATE3 citations73
US9596823B2Mar 21, 2017

Tobacco inbred and hybrid plants and tobacco products made thereof

UNIV NORTH CAROLINA STATE3 citations73
US9596822B2Mar 21, 2017

Tobacco inbred and hybrid plants and tobacco products made thereof

UNIV NORTH CAROLINA STATE2 citations73
US11293031B2Apr 5, 2022

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE2 citations72
US11140843B2Oct 12, 2021

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE1 citations72
US12310324B2May 27, 2025

Compositions and methods for minimizing nornicotine synthesis in tobacco

UNIV NORTH CAROLINA STATE0 citations62
US12270038B2Apr 8, 2025

Targeted mutagenesis of tobacco berberine bridge enzyme-like nucleic acids

UNIV NORTH CAROLINA STATE0 citations62
US11807859B2Nov 7, 2023

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE0 citations62
US11778965B2Oct 10, 2023

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE0 citations62
US11399500B2Aug 2, 2022

Tobacco inbred and hybrid plants and uses thereof

UNIV NORTH CAROLINA STATE0 citations62
US10736292B2Aug 11, 2020

Tobacco inbred and hybrid plants and uses thereof

UNIV NORTH CAROLINA STATE0 citations52
US10681883B2Jun 16, 2020

Compositions and methods for minimizing nornicotine synthesis in tobacco

UNIV NORTH CAROLINA STATE0 citations52
US10687490B2Jun 23, 2020

Alteration of tobacco alkaloid content through modification of specific cytochrome P450 genes

UNIV NORTH CAROLINA STATE0 citations51
US12171177B2Dec 24, 2024

Genetic approach for achieving ultra low nicotine content in tobacco

UNIV NORTH CAROLINA STATE0 citations45

DEWEY RALPH E

5 patents

MYCOGEN PLANT SCIENCE INC

3 patents

LEWIS RAMSEY S

1 patent

MYCOGEN PLANT SCIENCES INC

1 patent