Growing community of inventors

Hokkaido, Japan

Nana Nishikawa

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

Nana Nishikawa ↔ Tomohiro Kanazawa (1 patent)Nana Nishikawa ↔ Katsuyoshi Kondoh (1 patent)Nana Nishikawa ↔ Seunghyun Na (1 patent)Nana Nishikawa ↔ Hitoshi Kanbara (1 patent)Nana NishikawaNana Nishikawa (1 patent)Tomohiro KanazawaTomohiro Kanazawa (23 patents)Katsuyoshi KondohKatsuyoshi Kondoh (15 patents)Seunghyun NaSeunghyun Na (1 patent)Hitoshi KanbaraHitoshi Kanbara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,718 patents)

2. Nippon Steel Cement Co., Ltd. (1 from 1 patent)


1 patent:

1. 10807910 - Cementitious material for radioactive waste disposal facility

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as of
12/11/2025
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