Growing community of inventors

Urbandale, IA, United States of America

Derrick Witcher

Average Co-Inventor Count = 7.13

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 34

Derrick WitcherJohn A Howard (3 patents)Derrick WitcherElizabeth E Hood (3 patents)Derrick WitcherJames C Register, Iii (3 patents)Derrick WitcherTerry EuClaire Meyer (2 patents)Derrick WitcherChris L Baszczynski (2 patents)Derrick WitcherDavid J Peterson (1 patent)Derrick WitcherWesley B Bruce (1 patent)Derrick WitcherDavid A Peterson (1 patent)Derrick WitcherA Gururaj Rao (1 patent)Derrick WitcherThomas H Czapla (1 patent)Derrick WitcherSheila E Maddock (1 patent)Derrick WitcherDerrick Witcher (3 patents)John A HowardJohn A Howard (39 patents)Elizabeth E HoodElizabeth E Hood (15 patents)James C Register, IiiJames C Register, Iii (9 patents)Terry EuClaire MeyerTerry EuClaire Meyer (31 patents)Chris L BaszczynskiChris L Baszczynski (7 patents)David J PetersonDavid J Peterson (35 patents)Wesley B BruceWesley B Bruce (24 patents)David A PetersonDavid A Peterson (23 patents)A Gururaj RaoA Gururaj Rao (12 patents)Thomas H CzaplaThomas H Czapla (10 patents)Sheila E MaddockSheila E Maddock (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,718 patents)

2. Prodigene, Inc. (1 from 16 patents)


3 patents:

1. 5824870 - Commercial production of aprotinin in plants

2. 5804694 - Commercial production of .beta.-glucuronidase in plants

3. 5767379 - Commercial production of avidin in plants

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idiyas.com
as of
12/11/2025
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