Growing community of inventors

Mitaka, Japan

Masaharu Umebayashi

Average Co-Inventor Count = 4.00

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 = 51

Masaharu Umebayashi ↔ Katsuyuki Tanabe (1 patent)Masaharu Umebayashi ↔ Atsushi Ugomori (1 patent)Masaharu Umebayashi ↔ Seiji Asaba (1 patent)Masaharu UmebayashiMasaharu Umebayashi (1 patent)Katsuyuki TanabeKatsuyuki Tanabe (5 patents)Atsushi UgomoriAtsushi Ugomori (1 patent)Seiji AsabaSeiji Asaba (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nittetsu Mining Co., Ltd. (1 from 43 patents)


1 patent:

1. 5264030 - Filler for degradable plastics and process for producing the same

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12/12/2025
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