Growing community of inventors

Okayama, Japan

Eiji Doi

Average Co-Inventor Count = 1.00

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 = 8

Eiji DoiEiji Doi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kewpie Kabushiki Kaisha (1 from 29 patents)

2. Kyowa Kikai Kabushiki Kaisha (1 from 1 patent)


1 patent:

1. 4863008 - Apparatus for transferring objects to be processed such as eggs or the

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as of
12/28/2025
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