Growing community of inventors

Chofu, Japan

Kozo Toyama

Average Co-Inventor Count = 8.00

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 = 15

Kozo Toyama ↔ Kazuhiko Hanashita (1 patent)Kozo Toyama ↔ Koji Sakata (1 patent)Kozo Toyama ↔ Yoshikazu Takei (1 patent)Kozo Toyama ↔ Shigeru Kanamaru (1 patent)Kozo Toyama ↔ Tatsuo Suenaga (1 patent)Kozo Toyama ↔ Toshiyuki Nawa (1 patent)Kozo Toyama ↔ Yoshikazu Taniguchi (1 patent)Kozo ToyamaKozo Toyama (1 patent)Kazuhiko HanashitaKazuhiko Hanashita (4 patents)Koji SakataKoji Sakata (3 patents)Yoshikazu TakeiYoshikazu Takei (1 patent)Shigeru KanamaruShigeru Kanamaru (1 patent)Tatsuo SuenagaTatsuo Suenaga (1 patent)Toshiyuki NawaToshiyuki Nawa (1 patent)Yoshikazu TaniguchiYoshikazu Taniguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Mining Co., Ltd. (1 from 44 patents)

2. Limited and Kajima Corporation (1 from 1 patent)


1 patent:

1. 5308696 - Carbon fiber-reinforced cement material and method for preparing same

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12/12/2025
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