Toshio Tomonari

This inventor holds 79 USPTO granted patents and 21 published patent applications, primarily in Coil Components (CPC class H01F). Top assignee: Tdk Corporation. Active years: 2006-2026.

USPTO Granted Patents = 79 (Patent Applications = 21)

% Patents Active = 97.5

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 234(Granted Patents)

Forward Citations (Not Self Cited) = 177(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yuri-gun, JP (2007)
Minato-ku, JP (2019)
Tokyo, JP (2006 - 2024)

Company Filing History:

79 out of 8,238

Tdk Corporation

patents

Years Active: 2006-2026

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Areas of Expertise:

Coil Component

Common Mode Filter

Wireless Communication

Noise Suppression

Magnet Temperature

Rotating Electrical Machine

Pulse Transformer

Antenna Device

Differential Mode Filter

Wireless Power Transmission

Rotation Position Detection

Circuit Board

79 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12632690 - Antenna device and IC card having the same (2026-05-19),

2. 12585910 - IC card (2026-03-24),

3. 12362089 - Common mode filter (2025-07-15),

4. 12340934 - Common mode filter (2025-06-24),

5. 12143089 - Common mode filter (2024-11-12),

6. D1040763 - Coil component (2024-09-03),

7. 12057251 - Coil component and wireless communication device having the same (2024-08-06),

8. 11984253 - Common mode filter (2024-05-14),

9. 11854732 - Coil component (2023-12-26),

10. 11817844 - Common mode filter (2023-11-14),

11. D997877 - Coil component (2023-09-05),

12. 11728712 - Magnet temperature information output device and rotating electrical machine (2023-08-15),

13. 11715976 - Coil component (2023-08-01),

14. 11659701 - Noise suppression sheet (2023-05-23),

15. 11636973 - Common mode filter (2023-04-25),

Title: Toshio Tomonari - Leading Innovator in Tokyo

Introduction: Toshio Tomonari is a highly esteemed inventor based in Tokyo, Japan, known for his prolific contributions to the field of electrical engineering. With an impressive portfolio of 73 patents to his name, Tomonari continues to push the boundaries of technological advancement through his groundbreaking inventions.

Latest Patents: Tomonari's recent patents showcase his expertise in the realm of coil components and wireless communication devices. One of his notable inventions is a coil component featuring first and second coil patterns coaxially formed on a substrate, providing efficient electrical isolation. Additionally, he has pioneered a common mode filter design with sparsely-wound and closely-wound wire configurations for enhanced performance.

Career Highlights: Toshio Tomonari is a key figure at Tdk Corporation, a renowned technology company recognized for its innovative solutions in the electronics industry. His tenure at Tdk Corporation has been marked by a series of successful patent applications and product developments that have significantly contributed to the company's reputation as a leader in the field.

Collaborations: In his professional journey, Tomonari has collaborated closely with esteemed colleagues such as Tsutomu Kobayashi and Kazunori Arimitsu. Together, they have shared insights, ideas, and expertise to drive forward groundbreaking innovations and overcome technological challenges in the highly competitive landscape of electrical engineering.

Conclusion: Toshio Tomonari's exceptional talent, dedication, and ingenuity have solidified his position as a leading innovator in Tokyo and beyond. His relentless pursuit of excellence in inventing new technologies continues to inspire both his peers and the next generation of aspiring inventors. Through his remarkable contributions to the field, Tomonari has undoubtedly left a lasting impact on the realm of innovations and patent achievements.