Growing community of inventors

Amagasaki, Japan

Takafumi Akamatsu

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 = 3

Takafumi Akamatsu ↔ Yoshitaka Mayumi (1 patent)Takafumi AkamatsuTakafumi Akamatsu (1 patent)Yoshitaka MayumiYoshitaka Mayumi (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nihon Yamamura Glass Co., Ltd. (1 from 30 patents)


1 patent:

1. 8741792 - Glass composition and sealing material

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as of
12/20/2025
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