Growing community of inventors

Kalamazoo, MI, United States of America

John C Sih

Average Co-Inventor Count = 1.06

ph-index = 9

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 = 272

John C SihRoy A Johnson (10 patents)John C SihUdo F Axen (10 patents)John C SihChiu-Hong Lin (3 patents)John C SihKevin E Henegar (3 patents)John C SihPaul A Aristoff (2 patents)John C SihArthur Glenn Romero (1 patent)John C SihSteven Paul Tanis (1 patent)John C SihRuth Elizabeth TenBrink (1 patent)John C SihGilbert A Youngdale (1 patent)John C SihMichael D Ennis (1 patent)John C SihMoo J Cho (1 patent)John C SihRobert A Lahti (1 patent)John C SihJohn C Sih (264 patents)Roy A JohnsonRoy A Johnson (75 patents)Udo F AxenUdo F Axen (44 patents)Chiu-Hong LinChiu-Hong Lin (30 patents)Kevin E HenegarKevin E Henegar (8 patents)Paul A AristoffPaul A Aristoff (30 patents)Arthur Glenn RomeroArthur Glenn Romero (38 patents)Steven Paul TanisSteven Paul Tanis (38 patents)Ruth Elizabeth TenBrinkRuth Elizabeth TenBrink (27 patents)Gilbert A YoungdaleGilbert A Youngdale (26 patents)Michael D EnnisMichael D Ennis (24 patents)Moo J ChoMoo J Cho (3 patents)Robert A LahtiRobert A Lahti (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Upjohn Co. (259 from 2,169 patents)

2. Pharmacia & Upjohn Company (4 from 521 patents)

3. Other (1 from 831,952 patents)


264 patents:

1. 6444820 - Process for the manufacture of camptothecin derivatives

2. 6235907 - Intermediates useful in making mappicine and related compounds

3. 6133446 - Heterocyclic compounds for the treatment of CNS and cardiovascular

4. 6121451 - Intermediates and process for the manufacture of camptothecin

5. 5912349 - Process for the preparation of roquinimex

6. 5245046 - .alpha.-amino-indole-3-acetic acids useful as anti-diabetic,

7. 5077407 - Substituted 2-[monoannelated (3,4-,4,5-, and 5,6-)

8. 4873337 - N-substituted derivatives of 2-(pyridylalkenesulfinyl) benzimidazoles as

9. 4855435 - Pyridyl-substituted benzothiophenes

10. 4619997 - Substituted 2-pyridylmethylthio and sulfinyl-benzimidazoles as gastric

11. 4611059 - Pyridyl-substituted benzothiophenes

12. 4590297 - Novel 9-substituted carbacyclin analogs

13. 4585886 - 9-Substituted carbacyclin analogs

14. 4575554 - Substituted 2-pyridylmethylthio- and sulfinyl-benzimidazoles as gastric

15. 4533749 - 9-Substituted carbacyclin analogs

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as of
9/9/2025
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