Growing community of inventors

Saitama, Japan

Masashi Umemura

Average Co-Inventor Count = 7.00

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 = 4

Masashi Umemura ↔ Hisashi Hotta (1 patent)Masashi Umemura ↔ Isao Watabiki (1 patent)Masashi Umemura ↔ Toshiyuki Noda (1 patent)Masashi Umemura ↔ Yasu Ishimoto (1 patent)Masashi Umemura ↔ Yoshiharu Tobita (1 patent)Masashi Umemura ↔ Takuro Handa (1 patent)Masashi UmemuraMasashi Umemura (1 patent)Hisashi HottaHisashi Hotta (13 patents)Isao WatabikiIsao Watabiki (1 patent)Toshiyuki NodaToshiyuki Noda (1 patent)Yasu IshimotoYasu Ishimoto (1 patent)Yoshiharu TobitaYoshiharu Tobita (1 patent)Takuro HandaTakuro Handa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Seikan Kaisha, Ltd. (1 from 586 patents)

2. Asahi Denka Kogyo Kabushiki Kaisha (1 from 98 patents)


1 patent:

1. 4581152 - Water-soluble coolant for formation of drawn and ironed cans

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/13/2025
Loading…