Growing community of inventors

Yokohama, Japan

Kiyoharu Kuwabara

Average Co-Inventor Count = 2.67

ph-index = 2

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 = 41

Kiyoharu Kuwabara ↔ Atsushi Hayashi (1 patent)Kiyoharu Kuwabara ↔ Toshihiro Ishino (1 patent)Kiyoharu Kuwabara ↔ Kohzo Sakai (1 patent)Kiyoharu Kuwabara ↔ Masataro Okumiya (1 patent)Kiyoharu KuwabaraKiyoharu Kuwabara (2 patents)Atsushi HayashiAtsushi Hayashi (29 patents)Toshihiro IshinoToshihiro Ishino (7 patents)Kohzo SakaiKohzo Sakai (2 patents)Masataro OkumiyaMasataro Okumiya (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Glass Company, Limited (2 from 2,560 patents)


2 patents:

1. 4705763 - High zirconia fused refractory product

2. 4336339 - High zirconia fused refractory product

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idiyas.com
as of
12/22/2025
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