Growing community of inventors

Tokyo, Japan

So Kubota

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

So Kubota ↔ Naoto Fukasawa (1 patent)So Kubota ↔ Tetsuya Imai (1 patent)So Kubota ↔ Atsushi Tsukamoto (1 patent)So KubotaSo Kubota (1 patent)Naoto FukasawaNaoto Fukasawa (86 patents)Tetsuya ImaiTetsuya Imai (14 patents)Atsushi TsukamotoAtsushi Tsukamoto (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Plus Corporation (1 from 80 patents)

2. Naoto Fukasawa Design Ltd. (1 from 3 patents)


1 patent:

1. D966851 - Stapler

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as of
12/27/2025
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