Growing community of inventors

Osaka, Japan

Yoichi Umeki

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 = 0

Yoichi UmekiDaishiro Kishimoto (1 patent)Yoichi UmekiYoichi Umeki (1 patent)Daishiro KishimotoDaishiro Kishimoto (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanko Co., Ltd. (1 from 31 patents)


1 patent:

1. 9371438 - High melting point flame retardant crystal and method for manufacturing the same, epoxy resin composition containing the flame retardant, and prepreg and flame retardant laminate using the composition

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/11/2026
Loading…