Growing community of inventors

Chiba, Japan

Susumu Koyama

Average Co-Inventor Count = 3.43

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 = 6

Susumu KoyamaShinichi Saito (1 patent)Susumu KoyamaHiromichi Inoue (1 patent)Susumu KoyamaKisei Kitano (1 patent)Susumu KoyamaToshiharu Suzuki (1 patent)Susumu KoyamaMasatoshi Fukushima (1 patent)Susumu KoyamaSusumu Koyama (2 patents)Shinichi SaitoShinichi Saito (64 patents)Hiromichi InoueHiromichi Inoue (61 patents)Kisei KitanoKisei Kitano (26 patents)Toshiharu SuzukiToshiharu Suzuki (12 patents)Masatoshi FukushimaMasatoshi Fukushima (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chisso Corporation (2 from 1,109 patents)


2 patents:

1. 6022493 - Liquid-crystal composition for liquid-crystal display elements and

2. 5256330 - Lactone compound and composition comprising the same

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as of
12/18/2025
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