Growing community of inventors

Tokyo, Japan

Yuko Hirayama

Average Co-Inventor Count = 2.18

ph-index = 2

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 = 17

Yuko HirayamaAtsushi Watanabe (2 patents)Yuko HirayamaHitomi Tai (2 patents)Yuko HirayamaTakashi Sogabe (1 patent)Yuko HirayamaYuko Hirayama (4 patents)Atsushi WatanabeAtsushi Watanabe (140 patents)Hitomi TaiHitomi Tai (2 patents)Takashi SogabeTakashi Sogabe (81 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Computer Entertainment Inc. (4 from 1,799 patents)

2. Sony Corporation (2 from 58,129 patents)

3. Sony Interactive Entertainment Inc. (3,052 patents)


4 patents:

1. 8662297 - Cover for portable electronic device

2. 8607975 - Case for portable electronic device

3. D685858 - Protective sheet

4. D671319 - Case for electronic device

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idiyas.com
as of
12/14/2025
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