% Expired Patents = 42.9

EPO Patents = 1

Forward Citations = 46

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19 inventors (with patents filed for the assignee):

Shigeru Kizaki (3 out of 3 patents)

Hidefumi Hatanaka (2 out of 13 patents)

Tomohiko Taniguchi (2 out of 2 patents)

4. Shinichi Morishima (1 out of 63 patents)

5. Ryota Kawai (1 out of 2 patents)

6. Yoichi Muraki (1 out of 1 patent)

7. Tomohiro Ohya (1 out of 1 patent)

8. Atsushi Muraoka (1 out of 1 patent)

9. Hiroyuki Miura (1 out of 1 patent)

10. Kazuyoshi Kawakita (1 out of 1 patent)

11. Yoshiji Matsui (1 out of 1 patent)

12. Hideo Nunokawa (1 out of 17 patents)

13. Shunichi Ko (1 out of 6 patents)

14. Tsutomu Adachi (1 out of 1 patent)

15. Youichi Yokote (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 8749123 - Piezoelectric device (2014-06-10),

2. 8212458 - Flexural-mode tuning-fork type quartz crystal resonator (2012-07-03),

3. 7851980 - Tuning fork flexural crystal vibration device, crystal vibrator, and crystal oscillator (2010-12-14),

4. 7808796 - Electronic component module and method for manufacturing the same (2010-10-05),

5. 7701728 - Electronic component module and radio comunications equipment (2010-04-20),

6. 7535159 - Tuning fork crystal oscillation plate and method of manufacturing the same (2009-05-19),

7. 7429900 - Oscillator and semiconductor device (2008-09-30),

Company Overview

Kyocera Kinseki Corporation is a leading manufacturer of crystal devices such as crystal units, crystal oscillators, and filters. With a focus on quality and innovation, they provide solutions for various industries including telecommunications, automotive, and consumer electronics.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#2,287 in Tokyo

#5,456 in Japan

Tokyo, Japan

Kyocera Kinseki Corporation

Forward Citations = 46

19 inventors:

Shigeru Kizaki (3 out of 3 patents)

Hidefumi Hatanaka (2 out of 13 patents)

Tomohiko Taniguchi (2 out of 2 patents)

4. Shinichi Morishima (1 out of 63 patents)

5. Ryota Kawai (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kyocera Kinseki Corporation. Retrieved from https://idiyas.com/company/kyocera-kinseki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]