Growing community of inventors

Sakurai, Japan

Ryoichi Otsubo

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 = 4

Ryoichi OtsuboRyoichi Otsubo (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aru Corporation (1 from 4 patents)


1 patent:

1. 6644361 - Suction nozzle of compression preservation bag

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as of
12/20/2025
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