Growing community of inventors

Walnut Creek, CA, United States of America

Daniel H Seifert

Average Co-Inventor Count = 2.00

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 = 9

Daniel H SeifertKarl R Meyer (2 patents)Daniel H SeifertDaniel H Seifert (2 patents)Karl R MeyerKarl R Meyer (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hasbro, Inc. (2 from 496 patents)


2 patents:

1. 6142869 - Hand-held electronic game

2. D423601 - Game apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/30/2025
Loading…