Growing community of inventors

Tokyo, Japan

Ryan Barkataki

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 24

Ryan BarkatakiYasushi Okumura (5 patents)Ryan BarkatakiTakeshi Matsuzawa (5 patents)Ryan BarkatakiRyan Barkataki (5 patents)Yasushi OkumuraYasushi Okumura (79 patents)Takeshi MatsuzawaTakeshi Matsuzawa (30 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Interactive Entertainment Inc. (5 from 3,076 patents)


5 patents:

1. D1036480 - Display screen or portion thereof with graphical user interface

2. D913320 - Display screen or portion thereof with transitional graphical user interface

3. D910049 - Display screen or portion thereof with transitional graphical user interface

4. D908730 - Display screen or portion thereof with transitional graphical user interface

5. D908731 - Display screen or portion thereof with transitional graphical user interface

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as of
1/14/2026
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