Growing community of inventors

Shibuya-ku, Japan

Koji Yanagawa

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 14

Koji YanagawaYoshiaki Takei (1 patent)Koji YanagawaHisaaki Sugiyama (1 patent)Koji YanagawaHidekazu Narita (1 patent)Koji YanagawaMasanori Shirai (1 patent)Koji YanagawaKazuhito Misaki (1 patent)Koji YanagawaNorikatsu Sawai (1 patent)Koji YanagawaMasanori Shirai (1 patent)Koji YanagawaKoji Yanagawa (2 patents)Yoshiaki TakeiYoshiaki Takei (2 patents)Hisaaki SugiyamaHisaaki Sugiyama (2 patents)Hidekazu NaritaHidekazu Narita (2 patents)Masanori ShiraiMasanori Shirai (1 patent)Kazuhito MisakiKazuhito Misaki (1 patent)Norikatsu SawaiNorikatsu Sawai (1 patent)Masanori ShiraiMasanori Shirai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sapporo Breweries Limited (2 from 113 patents)

2. Sapporo Holdings Limited (8 patents)


2 patents:

1. 10905138 - Effervescent beverage and method pertaining to same

2. 9420822 - Effervescent beverage product and method relating to same

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idiyas.com
as of
12/17/2025
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