Growing community of inventors

Atsugi, Japan

Kouichi Iimura

Average Co-Inventor Count = 1.60

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 = 41

Kouichi IimuraShunichi Nakamura (1 patent)Kouichi IimuraKikuo Nakamura (1 patent)Kouichi IimuraSusumu Ozawa (1 patent)Kouichi IimuraKouichi Iimura (2 patents)Shunichi NakamuraShunichi Nakamura (7 patents)Kikuo NakamuraKikuo Nakamura (3 patents)Susumu OzawaSusumu Ozawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Sigma (2 from 3 patents)


2 patents:

1. 4923430 - Coin payout apparatus in gaming device

2. 4840290 - Bulk loaded coin dispensing machine

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as of
12/12/2025
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