Growing community of inventors

Warabi, Japan

Hiromi Soma

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 = 26

Hiromi Soma ↔ Isao Tabayashi (1 patent)Hiromi Soma ↔ Hiroshi Fukutomi (1 patent)Hiromi SomaHiromi Soma (1 patent)Isao TabayashiIsao Tabayashi (8 patents)Hiroshi FukutomiHiroshi Fukutomi (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dainippon Ink and Chemicals, Incorporated (1 from 630 patents)


1 patent:

1. 4409040 - Ink for use in ink-jet printer

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/17/2025
Loading…