Growing community of inventors

Saitama, Japan

Ryohei Ehara

Average Co-Inventor Count = 2.00

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 = 17

Ryohei Ehara ↔ Masatoshi Tomiki (1 patent)Ryohei EharaRyohei Ehara (1 patent)Masatoshi TomikiMasatoshi Tomiki (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Somar Corporation (1 from 210 patents)

2. Masatoshi Tomiki (0 patent)

3. Ryohei Ehara (0 patent)


1 patent:

1. 5053268 - Composite paper

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as of
12/21/2025
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