Growing community of inventors

Uji, Japan

Haruo Kohyama

Average Co-Inventor Count = 3.75

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 = 19

Haruo Kohyama ↔ Kayomon Kyo (2 patents)Haruo Kohyama ↔ Kenji Yasue (1 patent)Haruo Kohyama ↔ Yasuhiko Asai (1 patent)Haruo Kohyama ↔ Katsuhiro Hirose (1 patent)Haruo Kohyama ↔ Sinichi Tokumitsu (1 patent)Haruo KohyamaHaruo Kohyama (2 patents)Kayomon KyoKayomon Kyo (8 patents)Kenji YasueKenji Yasue (9 patents)Yasuhiko AsaiYasuhiko Asai (8 patents)Katsuhiro HiroseKatsuhiro Hirose (1 patent)Sinichi TokumitsuSinichi Tokumitsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unitika Ltd. (2 from 390 patents)


2 patents:

1. 4254242 - Fire-retardant resin composition

2. 4171330 - Fire-retardant resin composition

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idiyas.com
as of
12/8/2025
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