Growing community of inventors

Tokyo, Japan

Ryohei Watanabe

Average Co-Inventor Count = 3.27

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 = 2

Ryohei WatanabeMasami Inoue (2 patents)Ryohei WatanabeKenichi Kakimoto (2 patents)Ryohei WatanabeHiroyuki Tanaka (1 patent)Ryohei WatanabeNaoki Yasuda (1 patent)Ryohei WatanabeKoji Ando (1 patent)Ryohei WatanabeKatsuhiro Otsuka (1 patent)Ryohei WatanabeMasayoshi Matsuura (0 patent)Ryohei WatanabeRyohei Watanabe (3 patents)Masami InoueMasami Inoue (10 patents)Kenichi KakimotoKenichi Kakimoto (4 patents)Hiroyuki TanakaHiroyuki Tanaka (89 patents)Naoki YasudaNaoki Yasuda (33 patents)Koji AndoKoji Ando (1 patent)Katsuhiro OtsukaKatsuhiro Otsuka (1 patent)Masayoshi MatsuuraMasayoshi Matsuura (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. J-Oil Mills, Inc. (2 from 28 patents)

2. Ajinomoto Co., Ltd. (1 from 1,929 patents)

3. Hitachi-Ge Nuclear Energy, Ltd. (155 patents)


3 patents:

1. 12458171 - Frying oil deterioration assessment device and frying oil deterioration assessment method

2. 12196734 - Cooking oil degradation degree determining device, cooking oil degradation degree determination processing device, cooking oil degradation degree determination method, and fryer

3. 6576695 - Thermoplastic resin composition comprising polyglycerin fatty acid esters, and resin molded article obtained therefrom

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as of
1/9/2026
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