Growing community of inventors

Redwood City, CA, United States of America

David A Simpson

Average Co-Inventor Count = 3.21

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 = 24

David A SimpsonQiang Xu (4 patents)David A SimpsonJohn A Lewicki (3 patents)David A SimpsonChia-Hwa Chang (3 patents)David A SimpsonPatrick K Martin (3 patents)David A SimpsonTheresa Li-Yun Chang (3 patents)David A SimpsonXiaowen Liu (1 patent)David A SimpsonChristine D Hardy (1 patent)David A SimpsonKirsten Essenmacher (1 patent)David A SimpsonDavid A Simpson (7 patents)Qiang XuQiang Xu (11 patents)John A LewickiJohn A Lewicki (52 patents)Chia-Hwa ChangChia-Hwa Chang (4 patents)Patrick K MartinPatrick K Martin (3 patents)Theresa Li-Yun ChangTheresa Li-Yun Chang (3 patents)Xiaowen LiuXiaowen Liu (3 patents)Christine D HardyChristine D Hardy (1 patent)Kirsten EssenmacherKirsten Essenmacher (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Osel, Inc. (4 from 12 patents)

2. Applied Biosystems, LLC (3 from 532 patents)

3. Life Technologies Corporation (1,824 patents)


7 patents:

1. 9267130 - Polypeptides having nucleic acid binding activity and compositions and methods for nucleic acid amplification

2. 9212352 - Polypeptides having nucleic acid binding activity

3. 8349600 - Polypeptides having nucleic acid binding activity

4. 7833791 - Lactobacilli expressing biologically active polypeptides and uses thereof

5. 7456011 - Modified cyanovirin-n polypeptide

6. 7312076 - Lactobacilli expressing biologically active polypeptides and uses thereof

7. 7179458 - Lactobacilli expressing biologically active polypeptides and uses thereof

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idiyas.com
as of
12/31/2025
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