Growing community of inventors

Hong Kong, China

Wallace A Ritchie

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 92

Wallace A RitchieWeigen Qiu (1 patent)Wallace A RitchieSamuel Pun (1 patent)Wallace A RitchieWallace A Ritchie (1 patent)Weigen QiuWeigen Qiu (13 patents)Samuel PunSamuel Pun (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zi Corporation of Canada, Inc. (1 from 26 patents)


1 patent:

1. 7257528 - Method and apparatus for Chinese character text input

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/13/2026
Loading…