Growing community of inventors

Sakai, Japan

Tatsuo Ootsuka

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 = 10

Tatsuo Ootsuka ↔ Hiroshi Matsumoto (1 patent)Tatsuo Ootsuka ↔ Minoru Hasegawa (1 patent)Tatsuo Ootsuka ↔ Toshimitsu Uchiyama (1 patent)Tatsuo OotsukaTatsuo Ootsuka (1 patent)Hiroshi MatsumotoHiroshi Matsumoto (142 patents)Minoru HasegawaMinoru Hasegawa (2 patents)Toshimitsu UchiyamaToshimitsu Uchiyama (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Aluminum Kabushiki Kaisha (1 from 53 patents)


1 patent:

1. 4158074 - Process for preparing colored aluminum powder

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12/7/2025
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