Growing community of inventors

Tokyo, Japan

Sumiyo Shiosaka

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 = 2

Sumiyo ShiosakaMika Fujii (4 patents)Sumiyo ShiosakaSumiyo Shiosaka (4 patents)Mika FujiiMika Fujii (20 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (4 from 35,670 patents)


4 patents:

1. 8442599 - Portable information terminal equipment

2. 8041406 - Portable information terminal equipment

3. 7756555 - Portable information terminal equipment

4. 7136686 - Portable information terminal equipment

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idiyas.com
as of
12/10/2025
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