Growing community of inventors

Kimitsu, Japan

Hisayoshi Matsunaga

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 = 1

Hisayoshi Matsunaga ↔ Ryuji Yamamoto (1 patent)Hisayoshi Matsunaga ↔ Shigeru Ogawa (1 patent)Hisayoshi Matsunaga ↔ Yoshihiro Serizawa (1 patent)Hisayoshi Matsunaga ↔ Hironori Ueno (1 patent)Hisayoshi Matsunaga ↔ Yutaka Akase (1 patent)Hisayoshi MatsunagaHisayoshi Matsunaga (1 patent)Ryuji YamamotoRyuji Yamamoto (55 patents)Shigeru OgawaShigeru Ogawa (35 patents)Yoshihiro SerizawaYoshihiro Serizawa (17 patents)Hironori UenoHironori Ueno (6 patents)Yutaka AkaseYutaka Akase (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Sumitomo Metal Corporation (1 from 1,102 patents)


1 patent:

1. 9085810 - Cooling apparatus of thick-gauge steel plate

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as of
1/9/2026
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