Growing community of inventors

Kalamazoo, MI, United States of America

Willard J Haak

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 11

Willard J HaakMerle G Wovcha (2 patents)Willard J HaakFrederick J Antosz (2 patents)Willard J HaakWillard J Haak (2 patents)Merle G WovchaMerle G Wovcha (33 patents)Frederick J AntoszFrederick J Antosz (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Upjohn Co. (2 from 2,170 patents)


2 patents:

1. 4062880 - 9.alpha.-Hydroxy-bis-nor-cholanic acid

2. 4029549 - Process of producing 9.alpha.-hydroxy-3-ketobisnorchol-4-en-22-oic with

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