Growing community of inventors

Okayama, Japan

Yoko Sumida

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 = 11

Yoko Sumida ↔ Akiyoshi Manabe (1 patent)Yoko Sumida ↔ Katsuhisa Harada (1 patent)Yoko Sumida ↔ Tetsuro Yamashita (1 patent)Yoko Sumida ↔ Tsuneo Tokumori (1 patent)Yoko SumidaYoko Sumida (1 patent)Akiyoshi ManabeAkiyoshi Manabe (18 patents)Katsuhisa HaradaKatsuhisa Harada (3 patents)Tetsuro YamashitaTetsuro Yamashita (2 patents)Tsuneo TokumoriTsuneo Tokumori (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chlorine Engineers Corp., Ltd. (1 from 76 patents)


1 patent:

1. 5178735 - Process for the supercritical extraction and separation of solid samples

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12/15/2025
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