Growing community of inventors

Takaishi, Japan

Takashi Akutagawa

Average Co-Inventor Count = 4.00

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 = 0

Takashi Akutagawa ↔ Hiroyuki Nagasawa (1 patent)Takashi Akutagawa ↔ Katsunobu Mochizuki (1 patent)Takashi Akutagawa ↔ Naoki Shirakawa (1 patent)Takashi AkutagawaTakashi Akutagawa (1 patent)Hiroyuki NagasawaHiroyuki Nagasawa (60 patents)Katsunobu MochizukiKatsunobu Mochizuki (20 patents)Naoki ShirakawaNaoki Shirakawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bridgestone Sports Co., Ltd. (1 from 1,273 patents)

2. Dic Covestro Ppolymer Ltd (1 from 1 patent)


1 patent:

1. 9278259 - Golf ball

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as of
12/10/2025
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