Growing community of inventors

Ohbu, Japan

Haruo Ootuka

Average Co-Inventor Count = 6.00

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 = 2

Haruo Ootuka ↔ Masuo Sugie (1 patent)Haruo Ootuka ↔ Nobiru Komatsu (1 patent)Haruo Ootuka ↔ Yoshiro Aiba (1 patent)Haruo Ootuka ↔ Koji Kurihara (1 patent)Haruo Ootuka ↔ Kaoru Nishikido (1 patent)Haruo OotukaHaruo Ootuka (1 patent)Masuo SugieMasuo Sugie (3 patents)Nobiru KomatsuNobiru Komatsu (3 patents)Yoshiro AibaYoshiro Aiba (2 patents)Koji KuriharaKoji Kurihara (1 patent)Kaoru NishikidoKaoru Nishikido (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (1 from 3,554 patents)

2. Toshiba Ceramics Co., Ltd. (1 from 189 patents)


1 patent:

1. 4530864 - Porous ceramic structure

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as of
12/20/2025
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