Growing community of inventors

Kitakyushu, Japan

Ryoichi Yamanaka

Average Co-Inventor Count = 3.00

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 = 6

Ryoichi YamanakaSusumu Matsumoto (1 patent)Ryoichi YamanakaAtsuo Tago (1 patent)Ryoichi YamanakaRyoichi Yamanaka (1 patent)Susumu MatsumotoSusumu Matsumoto (7 patents)Atsuo TagoAtsuo Tago (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Industries Limited (1 from 614 patents)

2. Kyoritsu Yuki Co., Ltd. (1 from 13 patents)


1 patent:

1. 4105510 - Process for removing water from water soluble polymer

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1/10/2026
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