Growing community of inventors

Ichihara, Japan

Toshiya Koyama

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 = 7

Toshiya Koyama ↔ Hataaki Yoshimoto (1 patent)Toshiya Koyama ↔ Katsuhiro Ito (1 patent)Toshiya Koyama ↔ Yukio Matsumoto (1 patent)Toshiya KoyamaToshiya Koyama (1 patent)Hataaki YoshimotoHataaki Yoshimoto (11 patents)Katsuhiro ItoKatsuhiro Ito (6 patents)Yukio MatsumotoYukio Matsumoto (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ube Industries, Inc. (1 from 1,432 patents)


1 patent:

1. 5183585 - Liquid crystal emulsion composition

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12/9/2025
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