Growing community of inventors

Tokyo, Japan

Kentaro Sakuma

Average Co-Inventor Count = 1.00

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 = 1

Kentaro SakumaKentaro Sakuma (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sugatsune Kogyo Co., Ltd. (2 from 228 patents)


2 patents:

1. 11180938 - Hinge

2. 9332816 - Article hanger

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as of
12/24/2025
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