Growing community of inventors

Hokkaido, Japan

Koji Sayama

Average Co-Inventor Count = 4.80

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 = 37

Koji SayamaMamoru Tomita (1 patent)Koji SayamaToshio Ohashi (1 patent)Koji SayamaHirotoshi Hayasawa (1 patent)Koji SayamaMitsunori Takase (1 patent)Koji SayamaTsutomu Aritsuka (1 patent)Koji SayamaHiroto Kikuchi (1 patent)Koji SayamaHirohiko Nakamura (1 patent)Koji SayamaTakashi Kanno (1 patent)Koji SayamaKoji Sayama (2 patents)Mamoru TomitaMamoru Tomita (34 patents)Toshio OhashiToshio Ohashi (23 patents)Hirotoshi HayasawaHirotoshi Hayasawa (14 patents)Mitsunori TakaseMitsunori Takase (14 patents)Tsutomu AritsukaTsutomu Aritsuka (11 patents)Hiroto KikuchiHiroto Kikuchi (8 patents)Hirohiko NakamuraHirohiko Nakamura (3 patents)Takashi KannoTakashi Kanno (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Morinaga Milk Industry Co., Ltd. (1 from 185 patents)

2. Nippon Beet Sugar Mfg., Co., Ltd. (1 from 5 patents)


2 patents:

1. 6451584 - Lactobacillus bifidus growth promoting composition and use thereof

2. 6392094 - Method for recovering amino acids

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as of
1/3/2026
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