Growing community of inventors

Hachioji, Japan

Takashi 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 = 16

Takashi Koyama ↔ Yoshio Matsumura (1 patent)Takashi Koyama ↔ Yoshihiko Nishizawa (1 patent)Takashi Koyama ↔ Motoharu Murata (1 patent)Takashi KoyamaTakashi Koyama (1 patent)Yoshio MatsumuraYoshio Matsumura (3 patents)Yoshihiko NishizawaYoshihiko Nishizawa (1 patent)Motoharu MurataMotoharu Murata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Corporation (1 from 1,084 patents)


1 patent:

1. 6194357 - Waterborne lubricant for the cold plastic working of metals

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12/21/2025
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