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Kawagoe, Japan

Toru Hirai

Average Co-Inventor Count = 5.71

ph-index = 2

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

Toru Hirai ↔ Tadaaki Kato (2 patents)Toru Hirai ↔ Chikao Yoshikumi (1 patent)Toru Hirai ↔ Teruo Sakagami (1 patent)Toru Hirai ↔ Naohiro Murayama (1 patent)Toru Hirai ↔ Masanori Ikuzawa (1 patent)Toru Hirai ↔ Yuji Maeda (1 patent)Toru Hirai ↔ Hideyuki Yamato (1 patent)Toru Hirai ↔ Mikio Matsuki (1 patent)Toru Hirai ↔ Sinji Nakajima (1 patent)Toru Hirai ↔ Eiji Inoguchi (1 patent)Toru Hirai ↔ Masanori Togawa (1 patent)Toru HiraiToru Hirai (2 patents)Tadaaki KatoTadaaki Kato (13 patents)Chikao YoshikumiChikao Yoshikumi (68 patents)Teruo SakagamiTeruo Sakagami (43 patents)Naohiro MurayamaNaohiro Murayama (42 patents)Masanori IkuzawaMasanori Ikuzawa (29 patents)Yuji MaedaYuji Maeda (19 patents)Hideyuki YamatoHideyuki Yamato (8 patents)Mikio MatsukiMikio Matsuki (1 patent)Sinji NakajimaSinji Nakajima (1 patent)Eiji InoguchiEiji Inoguchi (1 patent)Masanori TogawaMasanori Togawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kureha Kagaku Kogyo Kabushiki Kaisha (2 from 776 patents)


2 patents:

1. 5001118 - Method for preventing senescence and increasing bone mass

2. 4294677 - Method for electrodepositing a protein onto an ion-exchange membrane

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12/7/2025
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