Growing community of inventors

Fukuma, Japan

Yasuro Katayama

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 = 49

Yasuro Katayama ↔ Nobuhiro Tanaka (1 patent)Yasuro Katayama ↔ Eiji Hirata (1 patent)Yasuro Katayama ↔ Manabu Kobuki (1 patent)Yasuro KatayamaYasuro Katayama (1 patent)Nobuhiro TanakaNobuhiro Tanaka (34 patents)Eiji HirataEiji Hirata (12 patents)Manabu KobukiManabu Kobuki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (1 from 3,602 patents)

2. Seibu Electric Machinery Co., Ltd. (1 from 23 patents)


1 patent:

1. 5101703 - Box cutting method and apparatus thereof

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12/22/2025
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