Growing community of inventors

Osaka, Japan

Ryoma Hayakawa

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 = 0

Ryoma HayakawaTsuyoshi Uehara (1 patent)Ryoma HayakawaHiroya Kitahata (1 patent)Ryoma HayakawaTakuya Yara (1 patent)Ryoma HayakawaNorifumi Fujimura (1 patent)Ryoma HayakawaRyoma Hayakawa (1 patent)Tsuyoshi UeharaTsuyoshi Uehara (4 patents)Hiroya KitahataHiroya Kitahata (2 patents)Takuya YaraTakuya Yara (2 patents)Norifumi FujimuraNorifumi Fujimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sekisui Chemical Co., Ltd. (1 from 877 patents)


1 patent:

1. 7507678 - Method and apparatus for forming oxynitride film and nitride film, oxynitride film, nitride film, and substrate

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12/13/2025
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