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Kakogawa, Japan

Daishinku Corporation

USPTO Granted Patents = 105

% Expired Patents = 23.8

EPO Patents = 11

Trademarks = 8

Forward Citations = 267

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68 inventors (with patents filed for the assignee):

Takuya Kojo (27 out of 27 patents)

Minoru Iizuka (13 out of 13 patents)

Satoru Ishino (12 out of 12 patents)

4. Naoki Kohda (12 out of 12 patents)

5. Syunsuke Satoh (11 out of 12 patents)

6. Hiroki Yoshioka (9 out of 9 patents)

7. Yoshinobu Sakamoto (8 out of 8 patents)

8. Yoshinari Morimoto (7 out of 7 patents)

9. Hiroaki Yamashita (7 out of 7 patents)

10. Tomo Fujii (7 out of 8 patents)

11. Manabu Ohnishi (7 out of 7 patents)

12. Tatsuya Murakami (5 out of 5 patents)

13. Tadataka Koga (4 out of 4 patents)

14. Kentaro Nakanishi (4 out of 4 patents)

15. Takashi Shirai (4 out of 4 patents)

Core Competencies:

Piezoelectric Resonator

Oven-Controlled Oscillator

Tuning Fork Vibrator

Vibration Device

Crystal Resonator

Electronic Component Package

Manufacturing Method

Surface Mount Technology

Temperature Sensor

Bonding Structure

Quartz Resonator

Scintillator Material

105 patents: Sort by Forward Citations

1. 12719437 - Piezoelectric resonator device (2026-08-25),

2. 12603637 - Piezoelectric vibration device and manufacturing method therefor (2026-04-14),

3. 12567852 - Piezoelectric vibration plate, piezoelectric vibration device, and manufacturing method for piezoelectric vibration device (2026-03-03),

4. 12531511 - Oven-controlled crystal oscillator (2026-01-20),

5. 12316301 - Piezoelectric resonator plate and piezoelectric resonator device (2025-05-27),

6. 12316299 - Crystal vibration device (2025-05-27),

7. 12283919 - Oven-controlled crystal oscillator (2025-04-21),

8. 12249956 - Oven-controlled crystal oscillator (2025-03-11),

9. 12249955 - Oven-controlled crystal oscillator (2025-03-11),

10. 12149225 - Piezoelectric vibrating device (2024-11-19),

11. 12126321 - Piezoelectric vibrating device (2024-10-22),

12. 12107543 - Oven-controlled crystal oscillator (2024-10-01),

13. 12028042 - Piezoelectric resonator device having a through hole and through electrode for conduction with an external electrode terminal (2024-07-02),

14. 11929709 - Oven-controlled crystal oscillator (2024-03-12),

15. 11824512 - Piezoelectric resonator device (2023-11-21),

Daishinku Corporation, headquartered in Kakogawa, Japan, specializes in the development and manufacturing of advanced piezoelectric devices. The company focuses on a range of technologies including piezoelectric resonators, oven-controlled oscillators, and tuning fork vibrators, which are essential components in various electronic applications. With expertise in surface mount technology and electronic component packaging, Daishinku plays a pivotal role in enhancing the performance and reliability of electronic systems across multiple industries.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

105 Patents

#1 in Kakogawa

#1,087 in Japan

#7,446 in the World

Kakogawa, Japan

Daishinku Corporation

Forward Citations = 267

68 inventors:

Takuya Kojo (27 out of 27 patents)

Minoru Iizuka (13 out of 13 patents)

Satoru Ishino (12 out of 12 patents)

4. Naoki Kohda (12 out of 12 patents)

5. Syunsuke Satoh (11 out of 12 patents)

Please report any incorrect information to [email protected]

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