Growing community of inventors

Shizuoka, Japan

Hiroyuki Miyaji

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 16

Hiroyuki Miyaji ↔ Kaoru Yamamoto (1 patent)Hiroyuki Miyaji ↔ Noriyuki Sugiyama (1 patent)Hiroyuki Miyaji ↔ Seiichi Higashiyama (1 patent)Hiroyuki Miyaji ↔ Eitaro Ikegami (1 patent)Hiroyuki Miyaji ↔ Makoto Kamiya (1 patent)Hiroyuki Miyaji ↔ Arisa Chisoku (1 patent)Hiroyuki Miyaji ↔ Susumu Okushiro (1 patent)Hiroyuki MiyajiHiroyuki Miyaji (2 patents)Kaoru YamamotoKaoru Yamamoto (34 patents)Noriyuki SugiyamaNoriyuki Sugiyama (5 patents)Seiichi HigashiyamaSeiichi Higashiyama (2 patents)Eitaro IkegamiEitaro Ikegami (2 patents)Makoto KamiyaMakoto Kamiya (2 patents)Arisa ChisokuArisa Chisoku (1 patent)Susumu OkushiroSusumu Okushiro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Polyplastics Co., Ltd. (2 from 381 patents)


2 patents:

1. 5446086 - Polyoxymethylene composition

2. 4831073 - Polyacetal composition and method of preparation thereof

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12/20/2025
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