Growing community of inventors

Osaka, Japan

Haruo Katahira

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 = 3

Haruo KatahiraTakuro Hayahara (1 patent)Haruo KatahiraAkiyoshi Nishida (1 patent)Haruo KatahiraSusumu Fukuda (1 patent)Haruo KatahiraHaruo Katahira (1 patent)Takuro HayaharaTakuro Hayahara (2 patents)Akiyoshi NishidaAkiyoshi Nishida (1 patent)Susumu FukudaSusumu Fukuda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Exlan Company Limited (1 from 111 patents)

2. Excom Co., Ltd. (1 from 2 patents)


1 patent:

1. 5115874 - Apparatus for automatically preparing a dyeing solution

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12/9/2025
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