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Hachioji, Japan

Ritsuo Shigeoka

Average Co-Inventor Count = 3.00

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 = 22

Ritsuo Shigeoka ↔ Takafumi Yamauchi (2 patents)Ritsuo Shigeoka ↔ Hiroshi Haga (1 patent)Ritsuo Shigeoka ↔ Eizo Nagahisa (1 patent)Ritsuo Shigeoka ↔ Ikuo Kimura (1 patent)Ritsuo Shigeoka ↔ Masaaki Sugimoto (1 patent)Ritsuo ShigeokaRitsuo Shigeoka (2 patents)Takafumi YamauchiTakafumi Yamauchi (3 patents)Hiroshi HagaHiroshi Haga (1 patent)Eizo NagahisaEizo Nagahisa (1 patent)Ikuo KimuraIkuo Kimura (1 patent)Masaaki SugimotoMasaaki Sugimoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Suisan Kabushiki Kaisha (2 from 10 patents)

2. Ikuo Kimura (0 patent)

3. Masaaki Sugimoto (0 patent)

4. Ritsuo Shigeoka (0 patent)


2 patents:

1. 4284653 - Process for handling and processing fish meat

2. 4207354 - Method for processing fish contaminated with sporozoa

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as of
12/18/2025
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