Growing community of inventors

Toyota, Japan

Isamu Koyama

Average Co-Inventor Count = 6.00

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 = 9

Isamu KoyamaTerumasa Endo (1 patent)Isamu KoyamaYoji Matsumoto (1 patent)Isamu KoyamaHideo Nagaya (1 patent)Isamu KoyamaHideaki Tsushima (1 patent)Isamu KoyamaHiroshi Naruse (1 patent)Isamu KoyamaIsamu Koyama (1 patent)Terumasa EndoTerumasa Endo (5 patents)Yoji MatsumotoYoji Matsumoto (5 patents)Hideo NagayaHideo Nagaya (1 patent)Hideaki TsushimaHideaki Tsushima (1 patent)Hiroshi NaruseHiroshi Naruse (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (1 from 36,499 patents)


1 patent:

1. 4966384 - Suspension member mounting structure

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as of
12/6/2025
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