Growing community of inventors

Tokyo, Japan

Masamichi Okutsu

Average Co-Inventor Count = 1.20

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 = 47

Masamichi OkutsuKouji Narita (1 patent)Masamichi OkutsuMasamichi Okutsu (3 patents)Kouji NaritaKouji Narita (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomy Company, Ltd. (3 from 577 patents)


3 patents:

1. D880623 - Accessory for spinning top toy

2. D507024 - Monster toy

3. D481081 - Monster toy

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as of
1/23/2026
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