Growing community of inventors

Shizuoka, Japan

Ryutaro Niiho

Average Co-Inventor Count = 3.00

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

Ryutaro NiihoHaruki Uehara (2 patents)Ryutaro NiihoFukutaro Okuyama (2 patents)Ryutaro NiihoRyutaro Niiho (2 patents)Haruki UeharaHaruki Uehara (41 patents)Fukutaro OkuyamaFukutaro Okuyama (19 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Corporation (2 from 5,452 patents)


2 patents:

1. 12027144 - Keyboard device and sound generation control method

2. 11657786 - Keyboard device and sound generation control method

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1/3/2026
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