Growing community of inventors

Okayama, Japan

Rohko Yamamoto

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 = 3

Rohko Yamamoto ↔ Shigeharu Fukuda (1 patent)Rohko Yamamoto ↔ Shimpei Ushio (1 patent)Rohko Yamamoto ↔ Tatsuya Ishihara (1 patent)Rohko Yamamoto ↔ Takanori Ohkura (1 patent)Rohko YamamotoRohko Yamamoto (1 patent)Shigeharu FukudaShigeharu Fukuda (64 patents)Shimpei UshioShimpei Ushio (7 patents)Tatsuya IshiharaTatsuya Ishihara (6 patents)Takanori OhkuraTakanori Ohkura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hayashibara Co., Ltd. (1 from 47 patents)


1 patent:

1. 9492368 - External preparation for skin

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12/8/2025
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