Growing community of inventors

Chiba, Japan

Hiroshi Kagoyama

Average Co-Inventor Count = 4.00

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 = 30

Hiroshi Kagoyama ↔ Kazutomo Isono (1 patent)Hiroshi Kagoyama ↔ Yoshiaki Kashiwase (1 patent)Hiroshi Kagoyama ↔ Shigehisa Yamaguchi (1 patent)Hiroshi KagoyamaHiroshi Kagoyama (1 patent)Kazutomo IsonoKazutomo Isono (2 patents)Yoshiaki KashiwaseYoshiaki Kashiwase (1 patent)Shigehisa YamaguchiShigehisa Yamaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Kogyosha Co., Ltd. (1 from 5 patents)

2. Nippon Donaldson Ltd. (1 from 2 patents)


1 patent:

1. 5279090 - Ceiling-frame construction method and ceiling-frame structure for clean

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12/17/2025
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