Growing community of inventors

Kitakyushu, Japan

Kiyoharu Urakawa

Average Co-Inventor Count = 4.80

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 = 3

Kiyoharu Urakawa ↔ Mitsuhiko Tamura (1 patent)Kiyoharu Urakawa ↔ Yoshiaki Ohtani (1 patent)Kiyoharu Urakawa ↔ Haruo Katsumata (1 patent)Kiyoharu Urakawa ↔ Yoshio Kimura (1 patent)Kiyoharu Urakawa ↔ Yasuhito Goto (1 patent)Kiyoharu Urakawa ↔ Kenzo Ban (1 patent)Kiyoharu Urakawa ↔ Kiyotomi Kosai (1 patent)Kiyoharu Urakawa ↔ Haruki Uchida (1 patent)Kiyoharu UrakawaKiyoharu Urakawa (2 patents)Mitsuhiko TamuraMitsuhiko Tamura (6 patents)Yoshiaki OhtaniYoshiaki Ohtani (4 patents)Haruo KatsumataHaruo Katsumata (2 patents)Yoshio KimuraYoshio Kimura (2 patents)Yasuhito GotoYasuhito Goto (1 patent)Kenzo BanKenzo Ban (1 patent)Kiyotomi KosaiKiyotomi Kosai (1 patent)Haruki UchidaHaruki Uchida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Industries Limited (2 from 614 patents)


2 patents:

1. 4668827 - Process for preparing 2-(1-hydroxyalkyl) cyclohexanone and/or

2. 4080370 - Process for producing high purity methoxyanthraquinones

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idiyas.com
as of
12/20/2025
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