Growing community of inventors

Whitehall, PA, United States of America

Friedrich Zwickel

Average Co-Inventor Count = 2.40

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 = 21

Friedrich ZwickelNeal Henry Thorsten (1 patent)Friedrich ZwickelStanley Kaufman (1 patent)Friedrich ZwickelRobert W Berry (1 patent)Friedrich ZwickelFriedrich Zwickel (2 patents)Neal Henry ThorstenNeal Henry Thorsten (10 patents)Stanley KaufmanStanley Kaufman (5 patents)Robert W BerryRobert W Berry (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. At+t Corp. (1 from 4,208 patents)

2. American Telephone and Telegraph, Co. (1 from 386 patents)

3. At&t Technologies and At&t Bell Laboratories (1 from 2 patents)


2 patents:

1. 5416867 - Passive temperature-compensated optical wave guide coupler

2. 4657346 - Optical packages including fiber seals

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/8/2026
Loading…