Growing community of inventors

Tsukuba, Japan

Keiko Homma

Average Co-Inventor Count = 2.00

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 = 27

Keiko HommaTatsuo Arai (1 patent)Keiko HommaKeiko Homma (1 patent)Tatsuo AraiTatsuo Arai (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Agency of Industrial Science and Technology (1 from 1,430 patents)

2. Ministry of International Trade & Industry (1 from 348 patents)


1 patent:

1. 5501656 - Arm motion support apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/22/2026
Loading…