Growing community of inventors

Ohta-ku, Japan

Masami Umezawa

Average Co-Inventor Count = 1.71

ph-index = 3

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 = 34

Masami Umezawa ↔ Satoshi Oda (2 patents)Masami Umezawa ↔ Masahiro Yonekawa (1 patent)Masami Umezawa ↔ Kohei Chubachi (1 patent)Masami UmezawaMasami Umezawa (3 patents)Satoshi OdaSatoshi Oda (5 patents)Masahiro YonekawaMasahiro Yonekawa (29 patents)Kohei ChubachiKohei Chubachi (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (3 from 28,577 patents)


3 patents:

1. D917613 - Printer

2. D865052 - Printer

3. D724043 - Conference device

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/4/2026
Loading…