Growing community of inventors

Tokyo, Japan

Kiyoyuki Okubo

Average Co-Inventor Count = 2.00

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 = 0

Kiyoyuki OkuboMasato Koide (1 patent)Kiyoyuki OkuboKiyoyuki Okubo (1 patent)Masato KoideMasato Koide (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Materials Corporation (1 from 1,530 patents)


1 patent:

1. 9437405 - Hot rolled plate made of copper alloy used for a sputtering target and sputtering target

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as of
1/8/2026
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