Growing community of inventors

Yamato, Japan

Nobumasa Ohkubo

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 = 3

Nobumasa Ohkubo ↔ Naoki Okuda (1 patent)Nobumasa Ohkubo ↔ Makoto Tomita (1 patent)Nobumasa Ohkubo ↔ Minoru Oishi (1 patent)Nobumasa Ohkubo ↔ Kazuo Yonezawa (1 patent)Nobumasa Ohkubo ↔ Kazuo Kogane (1 patent)Nobumasa OhkuboNobumasa Ohkubo (1 patent)Naoki OkudaNaoki Okuda (10 patents)Makoto TomitaMakoto Tomita (4 patents)Minoru OishiMinoru Oishi (4 patents)Kazuo YonezawaKazuo Yonezawa (1 patent)Kazuo KoganeKazuo Kogane (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kobe Steel, Ltd. (1 from 1,883 patents)


1 patent:

1. 4029933 - Method of vertical welding of aluminum and aluminum alloys

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as of
12/12/2025
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