Growing community of inventors

Ibaraki-ken, Japan

Takahiro Hirakawa

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 = 64

Takahiro HirakawaHarumi Takeda (1 patent)Takahiro HirakawaTakahiro Hirakawa (1 patent)Harumi TakedaHarumi Takeda (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Limited Company Tm (1 from 2 patents)


1 patent:

1. 8000800 - Contactless charging system for an artificial organ, a storage device and a feeding device for use with this system

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as of
12/19/2025
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