Growing community of inventors

Kawasaki, Japan

Nobuo Oka

Average Co-Inventor Count = 7.00

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 = 297

Nobuo Oka ↔ Michihiro Miyasaka (1 patent)Nobuo Oka ↔ Masao Fujiwara (1 patent)Nobuo Oka ↔ Masakazu Yamashita (1 patent)Nobuo Oka ↔ Yuka Egashira (1 patent)Nobuo Oka ↔ Sekio Ikeda (1 patent)Nobuo Oka ↔ Shuji Morita (1 patent)Nobuo OkaNobuo Oka (1 patent)Michihiro MiyasakaMichihiro Miyasaka (4 patents)Masao FujiwaraMasao Fujiwara (4 patents)Masakazu YamashitaMasakazu Yamashita (1 patent)Yuka EgashiraYuka Egashira (1 patent)Sekio IkedaSekio Ikeda (1 patent)Shuji MoritaShuji Morita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (1 from 39,230 patents)


1 patent:

1. 5937391 - Point-service system in online shopping mall

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12/9/2025
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