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For the Inventor, By the Inventor

Tokyo, Japan

Casio Computer Co., Ltd.


USPTO Granted Patents = 5,234

% Expired Patents = 17.8



Trademarks = 1

Forward Citations = 60,329

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1,978 inventors (with patents filed for the assignee):

goldMedal Toshio Kashio (65 out of 65 patents)

silverMedal Kimiyasu Mizuno (49 out of 50 patents)

bronzeMedal Jun Ogura (47 out of 48 patents)

4.  Tomoyuki Shirasaki (47 out of 49 patents)

5.  Kazunori Kita (46 out of 46 patents)

6.  Tetsushi Yoshida (46 out of 46 patents)

7.  Naotomo Miyamoto (44 out of 47 patents)

8.  Takahiro Tomida (43 out of 43 patents)

9.  Jun Muraki (41 out of 41 patents)

10.  Hideo Suzuki (40 out of 88 patents)

11.  Shuichi Yamasaki (40 out of 41 patents)

12.  Yoshiyuki Murata (40 out of 44 patents)

13.  Kaoru Someya (39 out of 39 patents)

14.  Keiichi Imamura (37 out of 38 patents)

15.  Yoshiyuki Kato (37 out of 58 patents)


Core Competencies:
Image Adjustment
Optical Communication
Projection Method
Electronic Musical Instrument
Information Processing
Sound Processing
Keyboard Instrument
Detection Device
Storage Medium
Control Method
Timepiece

5,234 patents:

1. 12524981 - Image processing device with image adjustment based on display performance information (2026-01-13),
2. 12520913 - Clasp and band (2026-01-13),
3. 12518727 - Input interface device, electronic musical instrument, light emission control method and storage medium (2026-01-06),
4. 12517573 - Electronic device, notification method and storage medium (2026-01-06),
5. 12517472 - Electrode terminal, module and watch (2026-01-06),
6. 12513445 - Speaker device and hood-type speaker device (2025-12-30),
7. 12513410 - Image processing apparatus, optical transmission apparatus, optical communication system, program and image processing method (2025-12-30),
8. 12512085 - Keyboard instrument (2025-12-30),
9. 12511669 - Projection processing device, storage medium, and projection method (2025-12-30),
10. 12511035 - Soft keyboard display method and information terminal (2025-12-30),
11. 12504722 - Detection device and timepiece (2025-12-23),
12. 12504681 - Spatial projection apparatus, spatial projection system, and spatial projection method (2025-12-23),
13. 12499858 - Electronic musical instrument, method, and storage medium (2025-12-16),
14. 12499328 - Tonal language dictionary search device, tonal language dictionary search method, and non-transitory computer-readable storage medium storing a computer program readable by a computer of a tonal language dictionary search device (2025-12-16),
15. 12494187 - Panel and electronic equipment (2025-12-09),
Company Overview
Casio Computer Co., Ltd., headquartered in Tokyo, Japan, is a prominent player in the field of image processing and electronic devices. The company specializes in a diverse range of technologies, including image adjustment, optical communication, and projection methods. Additionally, Casio is known for its innovative electronic musical instruments and sound processing technologies, contributing significantly to both consumer electronics and professional audio markets. Its commitment to research and development ensures a continuous evolution of its product offerings in various technological domains.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Casio Computer Co., Ltd. USPTO Patent Assignee Logo
5,234 Patents

#25 in Tokyo

#46 in Japan

#171 in the World

Tokyo, JP
Tokyo, Japan

Casio Computer Co., Ltd.

Forward Citations = 60,329

1,978 inventors:

goldMedal Toshio Kashio (65 out of 65 patents)

silverMedal Kimiyasu Mizuno (49 out of 50 patents)

bronzeMedal Jun Ogura (47 out of 48 patents)

4.  Tomoyuki Shirasaki (47 out of 49 patents)

5.  Kazunori Kita (46 out of 46 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Casio Computer Co., Ltd.. Retrieved from https://idiyas.com/company/casio-computer-company

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]
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