Growing community of inventors

Niigata, Japan

Hisashi Matsumura

Average Co-Inventor Count = 8.00

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

Hisashi Matsumura ↔ Tetsuo Endoh (1 patent)Hisashi Matsumura ↔ Shoji Ikeda (1 patent)Hisashi Matsumura ↔ Koji Izunome (1 patent)Hisashi Matsumura ↔ Haruo Sudo (1 patent)Hisashi Matsumura ↔ Tatsuhiko Aoki (1 patent)Hisashi Matsumura ↔ Takashi Ishikawa (1 patent)Hisashi Matsumura ↔ Etsuo Fukuda (1 patent)Hisashi Matsumura ↔ Yuta Nagai (1 patent)Hisashi Matsumura ↔ Yoshiaki Abe (1 patent)Hisashi MatsumuraHisashi Matsumura (1 patent)Tetsuo EndohTetsuo Endoh (105 patents)Shoji IkedaShoji Ikeda (57 patents)Koji IzunomeKoji Izunome (14 patents)Haruo SudoHaruo Sudo (9 patents)Tatsuhiko AokiTatsuhiko Aoki (9 patents)Takashi IshikawaTakashi Ishikawa (9 patents)Etsuo FukudaEtsuo Fukuda (3 patents)Yuta NagaiYuta Nagai (1 patent)Yoshiaki AbeYoshiaki Abe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tohoku University (1 from 984 patents)

2. Globalwafers Japan Co., Ltd. (1 from 22 patents)


1 patent:

1. 12371813 - Silicon wafer and method for producing silicon wafer

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12/16/2025
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