Growing community of inventors

Niigata, Japan

Ryoichi Ishikawa

Average Co-Inventor Count = 4.00

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 = 0

Ryoichi Ishikawa ↔ Hiroyuki Furusawa (1 patent)Ryoichi Ishikawa ↔ Takanori Shigeno (1 patent)Ryoichi Ishikawa ↔ Mitsuaki Tsuboya (1 patent)Ryoichi IshikawaRyoichi Ishikawa (1 patent)Hiroyuki FurusawaHiroyuki Furusawa (10 patents)Takanori ShigenoTakanori Shigeno (4 patents)Mitsuaki TsuboyaMitsuaki Tsuboya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Seiki Co., Ltd. (1 from 258 patents)


1 patent:

1. 10712557 - Head-up display device

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12/12/2025
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