Growing community of inventors

Tokyo, Japan

Chihiro Maruyama

Average Co-Inventor Count = 3.00

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 = 1

Chihiro Maruyama ↔ Tomoyuki Ohba (1 patent)Chihiro Maruyama ↔ Koki Horiguchi (1 patent)Chihiro MaruyamaChihiro Maruyama (1 patent)Tomoyuki OhbaTomoyuki Ohba (6 patents)Koki HoriguchiKoki Horiguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Optex Co., Inc. (1 from 134 patents)


1 patent:

1. D1066265 - Contactless switch

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as of
1/14/2026
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