% Expired Patents = 16.7

EPO Patents = 2

Forward Citations = 0

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17 inventors (with patents filed for the assignee):

Yuji Ohashi (3 out of 11 patents)

Kei Kamada (3 out of 9 patents)

Akira Yoshikawa (3 out of 28 patents)

4. Yuui Yokota (3 out of 8 patents)

5. Kenji Inoue (3 out of 3 patents)

6. Noritoshi Kimura (3 out of 3 patents)

7. Shunsuke Kurosawa (2 out of 7 patents)

8. Masaya Nohara (2 out of 6 patents)

9. Tetsuo Kudo (1 out of 1 patent)

10. Yasuhiro Shoji (1 out of 5 patents)

11. Yu Igarashi (1 out of 4 patents)

12. Mototaka Arakawa (1 out of 3 patents)

13. Akihiro Yamaji (1 out of 1 patent)

14. Shoji Kakio (1 out of 8 patents)

15. Masatoshi Ito (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12587135 - Oscillation circuit and electronic device (2026-03-24),

2. 12255610 - Surface acoustic wave device (2025-03-18),

3. 12074570 - Oscillation circuit and electronic device (2024-08-27),

4. 11158784 - Crystal material and method of manufacturing the same (2021-10-26),

5. 11031539 - Piezoelectric vibrator and sensor (2021-06-08),

6. 10771032 - Method for manufacturing piezoelectric thin-film element (2020-09-08),

Piezo Studio Inc. is a leading design and development agency specializing in creating innovative digital solutions for businesses of all sizes. With a team of talented designers, developers, and strategists, we help clients bring their brands to life and connect with their audience in a meaningful way. From website design and development to mobile app creation and branding, we strive to deliver top-notch results that exceed expectations.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#12 in Miyagi

#5,988 in Japan

Miyagi, Japan

Piezo Studio Inc.