Growing community of inventors

Tokyo, Japan

Chiaki Katoh

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

Chiaki KatohSeiji Tawaraya (1 patent)Chiaki KatohTomonobu Sumino (1 patent)Chiaki KatohSachie Furukawa (1 patent)Chiaki KatohChiaki Katoh (1 patent)Seiji TawarayaSeiji Tawaraya (14 patents)Tomonobu SuminoTomonobu Sumino (11 patents)Sachie FurukawaSachie Furukawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (1 from 3,206 patents)


1 patent:

1. 7948697 - Method for producing a color filter

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as of
1/13/2026
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