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Tdk Corporation

USPTO Granted Patents = 7,977

CIPO Patents = 1

EPO Patents = 386

Trademarks = 5

Forward Citations = 48,869

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3,795 inventors (with patents filed for the assignee):

Koji Shimazawa (209 out of 217 patents)

Tomoyuki Sasaki (201 out of 204 patents)

Yoshitaka Sasaki (147 out of 479 patents)

4. Hiraku Hirabayashi (140 out of 140 patents)

5. Masaaki Togashi (130 out of 131 patents)

6. Haruo Shiba (107 out of 139 patents)

7. Daisuke Miyauchi (104 out of 105 patents)

8. Kosuke Tanaka (99 out of 155 patents)

9. Yoshihiro Tsuchiya (95 out of 98 patents)

10. Akifumi Kamijima (88 out of 89 patents)

11. Tsutomu Chou (88 out of 95 patents)

12. Eiji Komura (86 out of 86 patents)

13. Shinji Hara (85 out of 94 patents)

14. Takashi Kikukawa (85 out of 86 patents)

15. Jiro Yoshinari (85 out of 86 patents)

Core Competencies:

Magnetic Domain Wall Motion

Multilayer Coil Component

Ultrasonic Transducer

Gesture Recognition Model

Wireless Module

Optical Modulator

Solid-State Battery

Magnetic Sensor Device

Electromagnetic Wave Sensor

Machine Learning Device

Antenna Module

Power Conversion Apparatus

7,977 patents: Sort by Forward Citations

1. 12513993 - Chip-type electronic component (2025-12-30),

2. 12513910 - Reservoir element and neuromorphic element (2025-12-30),

3. 12512919 - Non-transitory computer readable storage medium, information processing device, information processing method, and information processing system (2025-12-30),

4. 12512805 - Branching filter (2025-12-30),

5. 12512681 - Power management device and power feeding system (2025-12-30),

6. 12512256 - Coil component (2025-12-30),

7. 12512253 - Coil component (2025-12-30),

8. 12512242 - Multilayer coil component (2025-12-30),

9. 12512241 - Dust core and electronic device (2025-12-30),

10. 12507598 - Magnetoresistance effect element with layers containing crystallized Co Heusler alloy (2025-12-23),

11. 12506400 - Magnetic component, power conversion apparatus, and power conversion system (2025-12-23),

12. 12505941 - Dust core and magnetic component (2025-12-23),

13. 12501838 - Spin current magnetization rotational element, magnetoresistance effect element, and magnetic memory (2025-12-16),

14. 12501832 - Piezoelectric thin film, piezoelectric thin film element, and piezoelectric transducer (2025-12-16),

15. 12500564 - Multilayer electronic component (2025-12-16),

TDK Corporation is a leading global manufacturer of electronic components and devices, providing a wide range of products including passive components, magnetics, sensors, and more. With a history dating back to 1935, TDK has evolved into a trusted brand known for innovation, quality, and reliability. The company serves various industries such as automotive, telecommunications, healthcare, and consumer electronics, offering cutting-edge solutions that contribute to the advancement of technology and society.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

7,977 Patents

#19 in Tokyo

#32 in Japan

#100 in the World

Tdk Corporation

Forward Citations = 48,869

3,795 inventors:

Koji Shimazawa (209 out of 217 patents)

Tomoyuki Sasaki (201 out of 204 patents)

Yoshitaka Sasaki (147 out of 479 patents)

4. Hiraku Hirabayashi (140 out of 140 patents)

5. Masaaki Togashi (130 out of 131 patents)

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