Growing community of inventors

Toyonaka, Japan

Toshikaju Umemura

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 = 8

Toshikaju Umemura ↔ Junichi Miyawaki (1 patent)Toshikaju Umemura ↔ Masanori Sakurai (1 patent)Toshikaju Umemura ↔ Shinji Kiboshi (1 patent)Toshikaju Umemura ↔ Toshikatsu Kawata (1 patent)Toshikaju UmemuraToshikaju Umemura (1 patent)Junichi MiyawakiJunichi Miyawaki (3 patents)Masanori SakuraiMasanori Sakurai (3 patents)Shinji KiboshiShinji Kiboshi (2 patents)Toshikatsu KawataToshikatsu Kawata (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Gas Chemical Company, Inc. (1 from 2,247 patents)


1 patent:

1. 4578422 - Acetal resin composition

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12/20/2025
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