Growing community of inventors

Bizen, Japan

Hiroyasu Tokuda

Average Co-Inventor Count = 6.00

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 = 8

Hiroyasu Tokuda ↔ Akira Watanabe (1 patent)Hiroyasu Tokuda ↔ Yoshimitsu Takeuchi (1 patent)Hiroyasu Tokuda ↔ Seiji Kihara (1 patent)Hiroyasu Tokuda ↔ Yasuhiro Makino (1 patent)Hiroyasu Tokuda ↔ Keiji Kamegawa (1 patent)Hiroyasu TokudaHiroyasu Tokuda (1 patent)Akira WatanabeAkira Watanabe (26 patents)Yoshimitsu TakeuchiYoshimitsu Takeuchi (5 patents)Seiji KiharaSeiji Kihara (4 patents)Yasuhiro MakinoYasuhiro Makino (2 patents)Keiji KamegawaKeiji Kamegawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyushu Refractories Co., Ltd. (1 from 16 patents)


1 patent:

1. 4626514 - Good aesthetic artificial dental materials by calcium phosphate

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1/10/2026
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