Growing community of inventors

Takaishi, Japan

Naoki Shirakawa

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

Naoki Shirakawa ↔ Hiroyuki Nagasawa (1 patent)Naoki Shirakawa ↔ Katsunobu Mochizuki (1 patent)Naoki Shirakawa ↔ Takashi Akutagawa (1 patent)Naoki ShirakawaNaoki Shirakawa (1 patent)Hiroyuki NagasawaHiroyuki Nagasawa (60 patents)Katsunobu MochizukiKatsunobu Mochizuki (20 patents)Takashi AkutagawaTakashi Akutagawa (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
12/11/2025
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