Growing community of inventors

Kokubunji, Japan

Hiroyuki Watanabe

Average Co-Inventor Count = 2.00

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 = 5

Hiroyuki Watanabe ↔ Yoshizo Nagasaka (1 patent)Hiroyuki Watanabe ↔ Masami Matsuura (1 patent)Hiroyuki Watanabe ↔ Masaki Suzuki (1 patent)Hiroyuki Watanabe ↔ Tomoka Nakamura (1 patent)Hiroyuki Watanabe ↔ Akira Nakane (1 patent)Hiroyuki WatanabeHiroyuki Watanabe (2 patents)Yoshizo NagasakaYoshizo Nagasaka (5 patents)Masami MatsuuraMasami Matsuura (1 patent)Masaki SuzukiMasaki Suzuki (1 patent)Tomoka NakamuraTomoka Nakamura (1 patent)Akira NakaneAkira Nakane (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomy Company, Ltd. (2 from 577 patents)

2. I-Magic, Inc. (1 from 6 patents)


2 patents:

1. D1099223 - Toy figure

2. 7329167 - Multi-axle running toy and multi-axle running toy set

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as of
1/5/2026
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