Growing community of inventors

Tokyo, Japan

Chikako Koyama

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 = 0

Chikako KoyamaMasaki Kinoshita (1 patent)Chikako KoyamaSachiko Takeda (1 patent)Chikako KoyamaChikako Koyama (1 patent)Masaki KinoshitaMasaki Kinoshita (28 patents)Sachiko TakedaSachiko Takeda (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ebara Corporation (1 from 2,516 patents)


1 patent:

1. 11673224 - Light transmitting member, polishing pad, and substrate polishing apparatus

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as of
1/23/2026
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