Growing community of inventors

Tokyo, Japan

Yuu Koyama

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 = 0

Yuu KoyamaMasataka Tsuruta (1 patent)Yuu KoyamaTakahiro Akaogi (1 patent)Yuu KoyamaYuu Koyama (1 patent)Masataka TsurutaMasataka Tsuruta (9 patents)Takahiro AkaogiTakahiro Akaogi (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Orihiro Engineering Co., Ltd. (1 from 24 patents)


1 patent:

1. 10364083 - Break-off spout, pouch having a break-off spout, production method for pouch having a break-off spout, food or beverage in pouch having a break-off spout, and production method therefor

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12/15/2025
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