Growing community of inventors

Kitakyushu, Japan

Isao Watanabe

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 = 1

Isao Watanabe ↔ Toshihiro Suruga (1 patent)Isao Watanabe ↔ Setsunori Hamaguchi (1 patent)Isao Watanabe ↔ Masakazu Ootsubo (1 patent)Isao Watanabe ↔ Yoichi Furuta (1 patent)Isao Watanabe ↔ Naoki Furuta (1 patent)Isao WatanabeIsao Watanabe (1 patent)Toshihiro SurugaToshihiro Suruga (4 patents)Setsunori HamaguchiSetsunori Hamaguchi (3 patents)Masakazu OotsuboMasakazu Ootsubo (1 patent)Yoichi FurutaYoichi Furuta (1 patent)Naoki FurutaNaoki Furuta (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Krosaki Corporation (1 from 14 patents)


1 patent:

1. 5369066 - Refractory material and product thereof containing low-silica

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as of
1/5/2026
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