Growing community of inventors

Williamsburg, IA, United States of America

Arthur L Johnson

Average Co-Inventor Count = 1.05

ph-index = 5

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 = 2,219

Arthur L JohnsonGary D Arthur (1 patent)Arthur L JohnsonArthur L Johnson (11 patents)Gary D ArthurGary D Arthur (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Holden's Foundation Seeds, LLC (8 from 85 patents)

2. Other (3 from 832,912 patents)


11 patents:

1. 6852915 - Inbred corn line LH283BtMON810

2. 6469233 - Inbred corn line LH176Bt810

3. 6232532 - Inbred corn line LH185Bt810

4. 6180858 - Inbred corn line LH172BT810

5. 6175064 - Inbred corn line LH200BT810

6. 6172285 - Inbred corn line LH198Bt810

7. 5960957 - Plastic bag organizer and storage apparatus

8. 5811641 - Inbred corn line LH179

9. 5690368 - Ultraseal sump adaptors models 54 and 541

10. 5276262 - Inbred corn line LH210

11. 3937404 - Drain declogging device

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as of
1/7/2026
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