Growing community of inventors

Tokyo, Japan

Sumio Nishiyama

Average Co-Inventor Count = 1.00

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 = 7

Sumio NishiyamaSumio Nishiyama (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Corporation (2 from 2,648 patents)

2. Increment P Corporation (2 from 38 patents)


2 patents:

1. 7154513 - Method and system for displaying images

2. 7019731 - Method of using ten-key keypad

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/2/2026
Loading…