Growing community of inventors

Tokyo, Japan

Yasuo Yuyama

Average Co-Inventor Count = 1.11

ph-index = 16

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 = 801

Yasuo Yuyama ↔ Tomohiro Ito (1 patent)Yasuo Yuyama ↔ Kiyoshi Ota (1 patent)Yasuo Yuyama ↔ Yoshiaki Kumagai (1 patent)Yasuo Yuyama ↔ Jo Wada (1 patent)Yasuo Yuyama ↔ Hirohisa Tanaka (1 patent)Yasuo Yuyama ↔ Hidefumi Goto (1 patent)Yasuo YuyamaYasuo Yuyama (31 patents)Tomohiro ItoTomohiro Ito (68 patents)Kiyoshi OtaKiyoshi Ota (39 patents)Yoshiaki KumagaiYoshiaki Kumagai (37 patents)Jo WadaJo Wada (24 patents)Hirohisa TanakaHirohisa Tanaka (23 patents)Hidefumi GotoHidefumi Goto (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (31 from 58,129 patents)


31 patents:

1. 8270655 - Headphone device

2. D599777 - Headphone

3. D598892 - Radio receiver

4. D588099 - Headphone

5. D587678 - Headphone

6. D550638 - Combined disc player and amplifier

7. D547750 - Speaker box

8. D547286 - Combined disc player and amplifier

9. D547287 - Combined disc player and amplifier

10. D546348 - Audio player

11. D542775 - Speaker box

12. D540309 - Speaker box

13. D540310 - Speaker box

14. D505130 - Audio/data disc player

15. D505129 - Audio/data disc player

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as of
12/6/2025
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