Growing community of inventors

Fuji, Japan

Eitaro Ikegami

Average Co-Inventor Count = 4.00

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

Eitaro IkegamiShigeru Nezu (1 patent)Eitaro IkegamiTsuyoshi Minamisawa (1 patent)Eitaro IkegamiSeiichi Higashiyama (1 patent)Eitaro IkegamiKatsunori Endo (1 patent)Eitaro IkegamiHiroyuki Miyaji (1 patent)Eitaro IkegamiSusumu Okushiro (1 patent)Eitaro IkegamiEitaro Ikegami (2 patents)Shigeru NezuShigeru Nezu (10 patents)Tsuyoshi MinamisawaTsuyoshi Minamisawa (9 patents)Seiichi HigashiyamaSeiichi Higashiyama (2 patents)Katsunori EndoKatsunori Endo (2 patents)Hiroyuki MiyajiHiroyuki Miyaji (2 patents)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. 4874800 - Polyester resin composition

2. 4831073 - Polyacetal composition and method of preparation thereof

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as of
1/20/2026
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