Growing community of inventors

Tokyo, Japan

Kodai Tsubone

Average Co-Inventor Count = 1.77

ph-index = 7

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 = 209

Kodai TsuboneShohei Araki (9 patents)Kodai TsuboneYutaro Kumagai (5 patents)Kodai TsuboneTakaya Nagamine (3 patents)Kodai TsuboneTakashi Nara (2 patents)Kodai TsuboneKodai Tsubone (18 patents)Shohei ArakiShohei Araki (27 patents)Yutaro KumagaiYutaro Kumagai (29 patents)Takaya NagamineTakaya Nagamine (9 patents)Takashi NaraTakashi Nara (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Audio-technica Corporation (17 from 217 patents)

2. Kabushiki Kaisha Audio Technica (1 from 405 patents)


18 patents:

1. D1035611 - Headphone

2. D1031691 - Headphone

3. D1018495 - Headphone

4. D1016779 - Headphone

5. 11368772 - Headphone and earmuff

6. 11310583 - Headphone device

7. D938934 - Headphone

8. D893449 - Headphone

9. D890121 - Earphone

10. D878328 - Headphone

11. D878331 - Headset

12. D878332 - Headset

13. D875067 - Headphone

14. D875068 - Headphone

15. 10149034 - Earphone

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as of
1/2/2026
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