Growing community of inventors

Tokyo, Japan

Ryuji Nakayama

Average Co-Inventor Count = 2.05

ph-index = 5

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 = 326

Ryuji NakayamaEnnin Huang (7 patents)Ryuji NakayamaNathan Gary (6 patents)Ryuji NakayamaTakahiro Fujii (3 patents)Ryuji NakayamaShuji Hiramatsu (3 patents)Ryuji NakayamaTomohiro Ishii (2 patents)Ryuji NakayamaMasaharu Sakai (2 patents)Ryuji NakayamaKojiro Umemura (2 patents)Ryuji NakayamaTetsuo Ikeda (1 patent)Ryuji NakayamaHiroki Kato (1 patent)Ryuji NakayamaMunetaka Tsuda (1 patent)Ryuji NakayamaTohru Kurata (1 patent)Ryuji NakayamaKazuto Nishizawa (1 patent)Ryuji NakayamaYasuhiro Yamanaka (1 patent)Ryuji NakayamaDaisuke Kawamura (1 patent)Ryuji NakayamaGoro Takaki (1 patent)Ryuji NakayamaWataru Tajika (1 patent)Ryuji NakayamaMasayuki Ebisawa (1 patent)Ryuji NakayamaRyuji Nakayama (20 patents)Ennin HuangEnnin Huang (43 patents)Nathan GaryNathan Gary (29 patents)Takahiro FujiiTakahiro Fujii (54 patents)Shuji HiramatsuShuji Hiramatsu (47 patents)Tomohiro IshiiTomohiro Ishii (62 patents)Masaharu SakaiMasaharu Sakai (10 patents)Kojiro UmemuraKojiro Umemura (6 patents)Tetsuo IkedaTetsuo Ikeda (71 patents)Hiroki KatoHiroki Kato (71 patents)Munetaka TsudaMunetaka Tsuda (68 patents)Tohru KurataTohru Kurata (42 patents)Kazuto NishizawaKazuto Nishizawa (27 patents)Yasuhiro YamanakaYasuhiro Yamanaka (26 patents)Daisuke KawamuraDaisuke Kawamura (16 patents)Goro TakakiGoro Takaki (13 patents)Wataru TajikaWataru Tajika (5 patents)Masayuki EbisawaMasayuki Ebisawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (7 from 58,129 patents)

2. Sony Interactive Entertainment Inc. (5 from 3,048 patents)

3. Sony Interactive Entertainment America LLC (5 from 324 patents)

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

5. Sony Computer Entertainment America LLC (2 from 386 patents)


20 patents:

1. 11175727 - Viewing a three-dimensional information space through a display screen

2. 10610778 - Gaming controller

3. 10585531 - Information processing apparatus, control method, and program

4. 10201748 - Gaming controller

5. 10099121 - Gaming controller

6. D802604 - Display panel or screen with animated graphical user interface

7. D802621 - Display panel or screen with graphical user interface

8. 9776080 - Gaming controller

9. 9678625 - Multimedia player and menu screen display method

10. 9529493 - Terminal, image display method and program for displaying music-related images

11. 9389682 - Methods and systems for interaction with an expanded information space

12. 9381435 - Gaming controller

13. 9367126 - Interaction with an expanded information space on a cellular phone

14. 9116555 - Gaming controller

15. 8870654 - Gaming controller

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12/4/2025
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