Growing community of inventors

Fujisawa, Japan

Hisako Sonobe

Average Co-Inventor Count = 8.00

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 = 10

Hisako Sonobe ↔ Yasushi Joh (1 patent)Hisako Sonobe ↔ Noriaki Kaneko (1 patent)Hisako Sonobe ↔ Akihiko Niina (1 patent)Hisako Sonobe ↔ Akira Fukutome (1 patent)Hisako Sonobe ↔ Toshio Sano (1 patent)Hisako Sonobe ↔ Noriyuki Ichige (1 patent)Hisako Sonobe ↔ Koji Ichikawa (1 patent)Hisako SonobeHisako Sonobe (1 patent)Yasushi JohYasushi Joh (22 patents)Noriaki KanekoNoriaki Kaneko (12 patents)Akihiko NiinaAkihiko Niina (3 patents)Akira FukutomeAkira Fukutome (2 patents)Toshio SanoToshio Sano (1 patent)Noriyuki IchigeNoriyuki Ichige (1 patent)Koji IchikawaKoji Ichikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Zeon Company, Ltd. (1 from 598 patents)


1 patent:

1. 4284594 - Method of manufacturing hollow fiber

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12/18/2025
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