Forward Citations = 63

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12 inventors (with patents filed for the assignee):

Norikazu Koyuhara (1 out of 9 patents)

Takashi Sano (1 out of 47 patents)

Soh Kimura (1 out of 8 patents)

4. Masahiro Mita (1 out of 31 patents)

5. Hirokazu Araki (1 out of 6 patents)

6. Narutoshi Minami (1 out of 5 patents)

7. Tadashi Kotani (1 out of 2 patents)

8. Takayuki Ishimoto (1 out of 1 patent)

9. Toshihiko Tanaka (1 out of 10 patents)

10. Shin Nakajima (1 out of 19 patents)

11. Masao Ishiwaki (1 out of 1 patent)

12. Youichi Yamamoto (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7061439 - Antenna, watch provided with the antenna, and method of manufacturing the antenna (2006-06-13),

2. 5850336 - Apparatus having an inverter (1998-12-15),

3. 5847518 - High voltage transformer with secondary coil windings on opposing bobbins (1998-12-08),

4. 5815062 - Magnetic core (1998-09-29),

Company Overview

Hitachi Ferrite Electronics, Ltd. is a leading provider of ferrite products for the electronics industry. With a strong focus on research and development, the company offers a wide range of high-quality ferrite cores, antennas, and magnetic materials. Their innovative solutions are used in various applications such as smartphones, automotive electronics, and renewable energy systems.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#7 in Tottori

#7,579 in Japan

Tottori, Japan

Hitachi Ferrite Electronics, Ltd.

Forward Citations = 63

12 inventors:

Norikazu Koyuhara (1 out of 9 patents)

Takashi Sano (1 out of 47 patents)

Soh Kimura (1 out of 8 patents)

4. Masahiro Mita (1 out of 31 patents)

5. Hirokazu Araki (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Ferrite Electronics, Ltd.. Retrieved from https://idiyas.com/company/hitachi-ferrite-electronics

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]