Growing community of inventors

Saitama, Japan

Hirokazu Matsuoka

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 = 9

Hirokazu MatsuokaTakio Ejima (1 patent)Hirokazu MatsuokaHirokazu Matsuoka (1 patent)Takio EjimaTakio Ejima (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takara Co., Ltd. (1 from 329 patents)


1 patent:

1. 6790398 - Elastic doll and method for manufacturing same

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12/15/2025
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