Growing community of inventors

Saitama, Japan

Hiroyuki Ishii

Average Co-Inventor Count = 6.00

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

Hiroyuki Ishii ↔ Masao Watanabe (1 patent)Hiroyuki Ishii ↔ Takashi Isogai (1 patent)Hiroyuki Ishii ↔ Kenji Kawai (1 patent)Hiroyuki Ishii ↔ Mitsuo Najima (1 patent)Hiroyuki Ishii ↔ Noboru Ohara (1 patent)Hiroyuki IshiiHiroyuki Ishii (1 patent)Masao WatanabeMasao Watanabe (75 patents)Takashi IsogaiTakashi Isogai (6 patents)Kenji KawaiKenji Kawai (5 patents)Mitsuo NajimaMitsuo Najima (4 patents)Noboru OharaNoboru Ohara (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujikura Kasei Co., Ltd. (1 from 52 patents)


1 patent:

1. 9567676 - Hard coating composition for metal substrate

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as of
12/12/2025
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