Growing community of inventors

Oyabe, Japan

Yoshitaka Koyama

Average Co-Inventor Count = 2.77

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 = 2

Yoshitaka KoyamaHiroyuki Iwakura (2 patents)Yoshitaka KoyamaYasuhiro Joho (2 patents)Yoshitaka KoyamaHideto Yamaguchi (1 patent)Yoshitaka KoyamaMitsuhiro Matsuda (1 patent)Yoshitaka KoyamaYoshitaka Koyama (3 patents)Hiroyuki IwakuraHiroyuki Iwakura (17 patents)Yasuhiro JohoYasuhiro Joho (5 patents)Hideto YamaguchiHideto Yamaguchi (23 patents)Mitsuhiro MatsudaMitsuhiro Matsuda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi-kokusai Electric Inc. (3 from 1,258 patents)


3 patents:

1. 9720407 - Substrate processing system, substrate processing apparatus and method for accumulating data for substrate processing apparatus

2. 9104196 - Substrate processing system and group managing apparatus

3. 8266095 - Substrate processing system and operation inspecting method

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idiyas.com
as of
12/17/2025
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