Growing community of inventors

Fukushima, Japan

Hiroki Shishido

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

Hiroki Shishido ↔ Tsunehisa Onuma (1 patent)Hiroki ShishidoHiroki Shishido (1 patent)Tsunehisa OnumaTsunehisa Onuma (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nok Corporation (1 from 776 patents)


1 patent:

1. 10508570 - Valve stem seal

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as of
12/15/2025
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