Growing community of inventors

Gunma, Japan

Chikao Fujunuma

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 = 12

Chikao Fujunuma ↔ Nobuyuki Sekikawa (1 patent)Chikao Fujunuma ↔ Nobuo Itoh (1 patent)Chikao Fujunuma ↔ Kazuo Takeda (1 patent)Chikao Fujunuma ↔ Katsuhiro Hayasaka (1 patent)Chikao Fujunuma ↔ Tetsuya Kubota (1 patent)Chikao FujunumaChikao Fujunuma (1 patent)Nobuyuki SekikawaNobuyuki Sekikawa (12 patents)Nobuo ItohNobuo Itoh (7 patents)Kazuo TakedaKazuo Takeda (2 patents)Katsuhiro HayasakaKatsuhiro Hayasaka (1 patent)Tetsuya KubotaTetsuya Kubota (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (1 from 8,781 patents)


1 patent:

1. 4898837 - Method of fabricating a semiconductor integrated circuit

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as of
12/29/2025
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