Growing community of inventors

Tokyo, Japan

Keiji Kubo

Average Co-Inventor Count = 4.00

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 = 29

Keiji KuboAkira Suzuki (1 patent)Keiji KuboSuguru Kunitake (1 patent)Keiji KuboFumiaki Arai (1 patent)Keiji KuboKeiji Kubo (1 patent)Akira SuzukiAkira Suzuki (9 patents)Suguru KunitakeSuguru Kunitake (1 patent)Fumiaki AraiFumiaki Arai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Ricoh (1 from 23 patents)


1 patent:

1. 4082902 - Spark-recording type printing method and spark-recording material for

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…