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Panasonic Corporation

USPTO Granted Patents = 16,454

% Expired Patents = 51.0

CIPO Patents = 171

EPO Patents = 3,806

Trademarks = 187

Forward Citations = 91,039

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11,477 inventors (with patents filed for the assignee):

Akihiko Nishio (204 out of 857 patents)

Shinya Kadono Kadono (180 out of 477 patents)

Daichi Imamura (179 out of 701 patents)

4. Tomoyuki Okada (163 out of 268 patents)

5. Kenichi Miyoshi (141 out of 255 patents)

6. Yutaka Murakami (137 out of 749 patents)

7. Satoshi Kondo (129 out of 328 patents)

8. Hiroshi Yahata (121 out of 233 patents)

9. Kazuhisa Yamamoto (113 out of 195 patents)

10. Wataru Ikeda (106 out of 111 patents)

11. Yoshiaki Komma (101 out of 177 patents)

12. Seigo Nakao (101 out of 633 patents)

13. Masayuki Orihashi (97 out of 205 patents)

14. Makoto Hagai (94 out of 261 patents)

15. Kiyofumi Abe (93 out of 718 patents)

Core Competencies:

Lithium-Ion Battery

Prismatic Battery

Positive Electrode Material

Nonaqueous Electrolyte

Manufacturing Method

Electric Motor

Electric Propulsion

Solar Cell

Semiconductor Device

Communication Device

Speech Recognition

Gas Sensor

16,454 patents: Sort by Forward Citations

1. 12713199 - SOUND SIGNAL PROCESSING DEVICE, SOUND SIGNAL PROCESSING METHOD, AND RECORDING MEDIUM (2026-08-18),

2. 12451747 - Insulator, electric motor, and applied equipment (2025-10-21),

3. 12341204 - Rectangular secondary battery (2025-06-24),

4. 12305026 - Composite resin molded article (2025-05-20),

5. 12261292 - Positive electrode active material for lithium ion secondary battery and lithium ion secondary battery (2025-03-25),

6. 12101694 - Information providing method and information providing apparatus (2024-09-24),

7. 11967701 - Positive electrode material, non-aqueous electrolyte secondary battery, and method of producing positive electrode material (2024-04-23),

8. 11935234 - Method for detecting abnormality, non-transitory computer-readable recording medium storing program for detecting abnormality, abnormality detection apparatus, server apparatus, and method for processing information (2024-03-19),

9. 11731177 - Used paper diaper processing apparatus (2023-08-22),

10. 11550205 - Flash unit (2023-01-10),

11. 11406340 - Method for converting tone of chest X-ray image, storage medium, image tone conversion apparatus, server apparatus, and conversion method (2022-08-09),

12. 11387058 - Input device (2022-07-12),

13. 11362761 - Communication method and communication device (2022-06-14),

14. 11362453 - Connector assembly and connector (2022-06-14),

15. 11362206 - Nitride semiconductor device (2022-06-14),

Company Overview

Panasonic Corporation, headquartered in Osaka, Japan, is a global leader in the development and manufacturing of advanced technologies, particularly in the field of secondary batteries. The company specializes in lithium-ion batteries, prismatic batteries, and related materials, focusing on innovations in positive electrode materials and nonaqueous electrolytes. Additionally, Panasonic is involved in electric propulsion systems and solar cell technology, contributing to sustainable energy solutions and enhancing electric mobility across various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

16,454 Patents

#2 in Osaka

#20 in Japan

#54 in the World

Panasonic Corporation

Forward Citations = 91,039

11,477 inventors:

Akihiko Nishio (204 out of 857 patents)

Shinya Kadono Kadono (180 out of 477 patents)

Daichi Imamura (179 out of 701 patents)

4. Tomoyuki Okada (163 out of 268 patents)

5. Kenichi Miyoshi (141 out of 255 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Panasonic Corporation. Retrieved from https://idiyas.com/company/panasonic

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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