Growing community of inventors

Shiojiri, Japan

Yuzuka Kumagai

Average Co-Inventor Count = 5.00

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 = 0

Yuzuka Kumagai ↔ Hidehiko Komatsu (1 patent)Yuzuka Kumagai ↔ Yasuhiro Oki (1 patent)Yuzuka Kumagai ↔ Hisashi Okamura (1 patent)Yuzuka Kumagai ↔ Hiromi Noguchi (1 patent)Yuzuka KumagaiYuzuka Kumagai (1 patent)Hidehiko KomatsuHidehiko Komatsu (50 patents)Yasuhiro OkiYasuhiro Oki (29 patents)Hisashi OkamuraHisashi Okamura (6 patents)Hiromi NoguchiHiromi Noguchi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (1 from 33,442 patents)


1 patent:

1. 12378426 - Ink jet ink composition

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/25/2025
Loading…