Growing community of inventors

Kosai, Japan

Hiroshi Watanabe

Average Co-Inventor Count = 1.55

ph-index = 3

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 = 49

Hiroshi Watanabe ↔ Mitsuyoshi Matsuno (1 patent)Hiroshi Watanabe ↔ Masakiyo Ohya (1 patent)Hiroshi Watanabe ↔ Hideki Matsui (1 patent)Hiroshi Watanabe ↔ Eiji Okamoto (1 patent)Hiroshi Watanabe ↔ Masato Shibata (1 patent)Hiroshi WatanabeHiroshi Watanabe (4 patents)Mitsuyoshi MatsunoMitsuyoshi Matsuno (12 patents)Masakiyo OhyaMasakiyo Ohya (6 patents)Hideki MatsuiHideki Matsui (3 patents)Eiji OkamotoEiji Okamoto (2 patents)Masato ShibataMasato Shibata (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujikiko Kabushiki Kaisha (4 from 73 patents)


4 patents:

1. 6330836 - Steel for gear drive plate gear and method for producing the drive plate gear

2. 5938533 - Drive plate for vehicles

3. D402996 - Drive plate for a motor vehicle

4. D373368 - Drive plate for a motor vehicle

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as of
12/18/2025
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