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Tokyo, undefined

Tdk Electronics Company, Limited

USPTO Granted Patents = 333

Trademarks = 2

Forward Citations = 3,769

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288 inventors (with patents filed for the assignee):

Haruo Shiba (31 out of 139 patents)

Keiichi Yoshizawa (19 out of 35 patents)

Masatoshi Okamura (17 out of 91 patents)

4. Hitoshi Azegami (16 out of 24 patents)

5. Shinji Umeki (15 out of 15 patents)

6. Akihiko Hosaka (14 out of 29 patents)

7. Shinobu Fujiwara (13 out of 17 patents)

8. Yasumichi Tokuoka (12 out of 27 patents)

9. Eiji Horigome (11 out of 13 patents)

10. Kiyotaka Okuyama (11 out of 18 patents)

11. Yuichi Kubota (11 out of 58 patents)

12. Toshihiko Ishida (10 out of 25 patents)

13. Hitoshi Tanaka (10 out of 10 patents)

14. Seitoku Saito (10 out of 10 patents)

15. Kazumasa Fukuda (9 out of 56 patents)

Core Competencies:

Magnetic Recording Medium

Piezo-Electric Transducer

PTC Heating Apparatus

Optical Recording System

Inductance Device

Magnetic Tape Cassette

High Density Magnetic Recording

Ferrite Core

Lighting Apparatus

Magnetic Toner

Ultrasonic Atomizing Device

Dielectric Ceramic

333 patents: Sort by Forward Citations

1. D313605 - Terminal fitted bobbin (1991-01-08),

2. 4890085 - Terminal fitted bobbin (1989-12-26),

3. 4782956 - Magnetic tape cassette wrapper (1988-11-08),

4. 4673622 - Magnetic recording medium (1987-06-16),

5. 4654510 - PTC heating apparatus (1987-03-31),

6. 4638205 - Piezo-electric transducer (1987-01-20),

7. 4599718 - Method for erasing a light recording medium (1986-07-08),

8. 4595901 - Inductance device with bonded metal foil electrodes (1986-06-17),

9. 4593868 - Reel spring of magnetic tape cassette (1986-06-10),

10. 4588654 - Magnetic recording medium (1986-05-13),

11. 4587507 - Core of a choke coil comprised of amorphous magnetic alloy (1986-05-06),

12. D283458 - Wrapping sheet for magnetic tape cassette (1986-04-15),

13. 4579780 - Magnetic recording medium (1986-04-01),

14. 4571362 - Magnetic recording medium (1986-02-18),

15. D282445 - Video cassette case (1986-02-04),

TDK Electronics Company, Limited is a leading global manufacturer of electronic components and devices. With a wide range of products including capacitors, inductors, sensors, and circuit protection devices, TDK Electronics serves various industries such as automotive, industrial, and telecommunications. They are committed to delivering innovative solutions that meet the evolving needs of their customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

333 Patents

#3 in Tokyo

#484 in J

#2,641 in the World

Tokyo, undefined

Tdk Electronics Company, Limited

Forward Citations = 3,769

288 inventors:

Haruo Shiba (31 out of 139 patents)

Keiichi Yoshizawa (19 out of 35 patents)

Masatoshi Okamura (17 out of 91 patents)

4. Hitoshi Azegami (16 out of 24 patents)

5. Shinji Umeki (15 out of 15 patents)

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