Growing community of inventors

Iizuka, Japan

Soji Otabe

Average Co-Inventor Count = 4.00

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 = 1

Soji Otabe ↔ Kazuya Ohmatsu (1 patent)Soji Otabe ↔ Jun Fujikami (1 patent)Soji Otabe ↔ Teruo Matsushita (1 patent)Soji OtabeSoji Otabe (1 patent)Kazuya OhmatsuKazuya Ohmatsu (20 patents)Jun FujikamiJun Fujikami (16 patents)Teruo MatsushitaTeruo Matsushita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Electric Industries, Limited (1 from 10,250 patents)


1 patent:

1. 6631280 - Oxide superconducting wire with reduced AC loss

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as of
12/28/2025
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