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Neomax Co., Ltd.

USPTO Granted Patents = 85

% Expired Patents = 8.2

Forward Citations = 507

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95 inventors (with patents filed for the assignee):

Takeshi Nishiuchi (11 out of 36 patents)

Yuji Kaneko (11 out of 22 patents)

Hirokazu Kanekiyo (10 out of 27 patents)

4. Satoshi Hirosawa (9 out of 33 patents)

5. Fumiaki Kikui (9 out of 37 patents)

6. Masaaki Aoki (8 out of 32 patents)

7. Toshio Miyoshi (7 out of 14 patents)

8. Taisuke Hirooka (7 out of 13 patents)

9. Sadahiko Kondo (7 out of 14 patents)

10. Yoshimi Tochishita (6 out of 14 patents)

11. Hitoshi Morimoto (6 out of 27 patents)

12. Kohshi Yoshimura (6 out of 22 patents)

13. Sachio Toyota (6 out of 11 patents)

14. Seiichi Hosokawa (5 out of 10 patents)

15. Tsuyoshi Tsuzaki (5 out of 10 patents)

Core Competencies:

Ferrite Sintered Magnet

Permanent Magnet

Rare Earth Alloy

Nanocomposite Magnet

Magnetic Field Generator

Thin-Film Magnet

Corrosion-Resistant Film

Powder Compacting Method

Sintered Compact

Electroplating Device

Magnetic Alloy Material

Magnetic Resonance Imaging

85 patents: Sort by Forward Citations

1. 7906036 - Ferrite sintered magnet (2011-03-15),

2. 7758767 - Oxide magnetic material and sintered magnet (2010-07-20),

3. 7390369 - Method for producing rare earth based alloy powder and method for producing rare earth based sintered magnet (2008-06-24),

4. 7371290 - Production method for permanent magnet and press device (2008-05-13),

5. 7344606 - Permanent magnet manufacturing method and press apparatus (2008-03-18),

6. 7335392 - Method for producing corrosion-resistant rare earth metal-based permanent magnet (2008-02-26),

7. 7316752 - R-T-B-C based rare-earth magnetic powder and bonded magnet (2008-01-08),

8. 7314530 - Press and magnet manufacturing method (2008-01-01),

9. 7297213 - Permanent magnet including multiple ferromagnetic phases and method for producing the magnet (2007-11-20),

10. 7285338 - Anisotropic thin-film rare-earth permanent magnet (2007-10-23),

11. D549826 - Magnetic field generating device for use in magnetic resonance imaging (2007-08-28),

12. 7261781 - Nanocomposite magnet (2007-08-28),

13. 7258751 - Rare earth magnet and method for production thereof (2007-08-21),

14. 7244318 - Method for preparation of permanent magnet (2007-07-17),

15. 7232495 - Method of magnetizing rare-earth magnet and rare-earth magnet (2007-06-19),

Company Overview

Neomax Co., Ltd., based in Osaka, Japan, specializes in the development and manufacturing of rare earth magnets. The company focuses on advanced technologies such as ferrite sintered magnets, permanent magnets, and rare earth alloys. Neomax is also engaged in innovative research related to nanocomposite magnets and magnetic field generators, contributing to various applications across industries. Their expertise extends to corrosion-resistant films and powder compacting methods, positioning them as a key player in the magnet technology sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

85 Patents

#136 in Osaka

#1,254 in Japan

#8,958 in the World

Neomax Co., Ltd.

Forward Citations = 507

95 inventors:

Takeshi Nishiuchi (11 out of 36 patents)

Yuji Kaneko (11 out of 22 patents)

Hirokazu Kanekiyo (10 out of 27 patents)

4. Satoshi Hirosawa (9 out of 33 patents)

5. Fumiaki Kikui (9 out of 37 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Neomax Co., Ltd.. Retrieved from https://idiyas.com/company/neomax-company

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]

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