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Toko Kabushiki Kaisha

USPTO Granted Patents = 61

Forward Citations = 559

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73 inventors (with patents filed for the assignee):

Takeshi Kasahara (7 out of 14 patents)

Shigeo Abe (5 out of 5 patents)

Mitsuo Sakakura (4 out of 4 patents)

4. Noboru Takada (4 out of 4 patents)

5. Koichi Sakai (4 out of 14 patents)

6. Tetsushi Otake (3 out of 8 patents)

7. Seiichi Kobayashi (3 out of 3 patents)

8. Tadayoshi Nagasawa (3 out of 3 patents)

9. Yutaka Noguchi (3 out of 3 patents)

10. Hiroyasu Mori (3 out of 3 patents)

11. Hideaki Saito (3 out of 3 patents)

12. Hitoshi Sasanuma (3 out of 3 patents)

13. Yukio Suzuki (3 out of 4 patents)

14. Koji Arakawa (3 out of 10 patents)

15. Shigeru Kameyama (3 out of 3 patents)

Core Competencies:

Switching Power Devices

Laminated Electronic Components

Triaxial Antenna Coil

Non-Contact Chargers

Piezoelectric Transformers

Variable Capacitance Diodes

DC-DC Converters

High Frequency Circuits

Adaptive Quantization

Choke Coils

Electronic Tuning Circuits

Heat-Dissipating Structures

61 patents: Sort by Forward Citations

1. 7064943 - Boost-type switching power device (2006-06-20),

2. 7042411 - Triaxial antenna coil (2006-05-09),

3. 7034607 - Switching constant-current power device (2006-04-25),

4. 6917528 - Switching power transmission device (2005-07-12),

5. 6909249 - Switching constant-current power supply (2005-06-21),

6. 6889423 - Method for manufacturing laminated electronic component (2005-05-10),

7. 6850142 - Surface mounting type coil (2005-02-01),

8. 6850127 - Laminated electronic component (2005-02-01),

9. 6727795 - Laminated electronic component and manufacturing method (2004-04-27),

10. 6692609 - Method for manufacturing laminated electronic component (2004-02-17),

11. 6633218 - Surface mounting type coil (2003-10-14),

12. 6597056 - Laminated chip component and manufacturing method (2003-07-22),

13. 6593839 - Leakage flux-type power conversion transformer (2003-07-15),

14. 6501209 - Piezoelectric transformer driving circuit (2002-12-31),

15. 6462509 - Non-contact charger (2002-10-08),

Toko Kabushiki Kaisha is a leading technology company specializing in the development and manufacturing of innovative electronic products. With a strong focus on research and development, we strive to create cutting-edge solutions that enhance people's lives. Our product range includes smart devices, consumer electronics, and industrial solutions, all of which are known for their quality and reliability. By leveraging our expertise and industry experience, we aim to generate sustainable growth and deliver exceptional value to our customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

61 Patents

#56 in

#1,474 in Japan

#11,486 in the World

Toko Kabushiki Kaisha

Forward Citations = 559

73 inventors:

Takeshi Kasahara (7 out of 14 patents)

Shigeo Abe (5 out of 5 patents)

Mitsuo Sakakura (4 out of 4 patents)

4. Noboru Takada (4 out of 4 patents)

5. Koichi Sakai (4 out of 14 patents)

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