Growing community of inventors

Miyagi, Japan

Keiichi Tomishige

Average Co-Inventor Count = 9.00

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 = 0

Keiichi Tomishige ↔ Hidefumi Harada (1 patent)Keiichi Tomishige ↔ Yoshinori Isahaya (1 patent)Keiichi Tomishige ↔ Yousuke Shinkai (1 patent)Keiichi Tomishige ↔ Kimihito Suzuki (1 patent)Keiichi Tomishige ↔ Hongyu Liu (1 patent)Keiichi Tomishige ↔ Yasuki Namiki (1 patent)Keiichi Tomishige ↔ Yoshinao Nakagawa (1 patent)Keiichi Tomishige ↔ Masazumi Tamura (1 patent)Keiichi TomishigeKeiichi Tomishige (1 patent)Hidefumi HaradaHidefumi Harada (36 patents)Yoshinori IsahayaYoshinori Isahaya (24 patents)Yousuke ShinkaiYousuke Shinkai (20 patents)Kimihito SuzukiKimihito Suzuki (13 patents)Hongyu LiuHongyu Liu (10 patents)Yasuki NamikiYasuki Namiki (1 patent)Yoshinao NakagawaYoshinao Nakagawa (1 patent)Masazumi TamuraMasazumi Tamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (1 from 3,542 patents)

2. Mitsubishi Gas Chemical Company, Inc. (1 from 2,245 patents)

3. Tohoku University (1 from 982 patents)

4. Nippon Steel Engineering Co., Ltd. (1 from 59 patents)


1 patent:

1. 10584092 - Method for producing aromatic nitrile compound and method for producing carbonate ester

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12/7/2025
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