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For the Inventor, By the Inventor

Saga, Japan

Sachio Toyota

This inventor holds 11 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Neomax Co., Ltd., Sumitomo Special Metals Co., Ltd., Sumitomo Special Metal Co. Ltd.. Active years: 1988-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sachio Toyota. Retrieved from https://idiyas.com/inventor/sachio-toyota

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11 

% Patents Active = 100.0


Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 127(Granted Patents)


Location History:

  • Mishima, JP (1988)
  • Takatsuki, JP (2002)
  • Osaka, JP (1991 - 2004)
  • Saga, JP (2005 - 2010)

Company Filing History:

goldMedal6 out of 85 
 
Neomax Co., Ltd.
 patents
silverMedal3 out of 240 
 
Sumitomo Special Metals Co., Ltd.
 patents
bronzeMedal2 out of 26 
 
Sumitomo Special Metal Co. Ltd.
 patents

Years Active: 1988-2010

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11 patents (USPTO):Explore Patents
1. 7758767 - Oxide magnetic material and sintered magnet (2010-07-20),
2. 7144642 - Permanent magnet and method for preparation thereof (2006-12-05),
3. 6994797 - Permanent magnet and method for preparation thereof (2006-02-07),
4. 6955768 - Permanent magnet and method for preparation thereof (2005-10-18),
5. 6929758 - Permanent magnet and method for preparation thereof (2005-08-16),
6. 6902685 - Oxide magnetic material (2005-06-07),
7. 6758986 - Magnet powder and method for preparations thereof (2004-07-06),
8. 6419847 - Ferrite magnet powder and magnet using said magnet powder, and method for preparing them (2002-07-16),
9. 5866028 - Ferrite magnet, and powder for ferrite magnet and production process (1999-02-02),
10. 5032304 - Method of manufacturing transparent high density ceramic material (1991-07-16),
11. 4746191 - Optical switch (1988-05-24),

Title: Sachio Toyota: Innovator in Magnetic Materials

Introduction

Sachio Toyota is a prominent inventor based in Saga, Japan, known for his significant contributions to the field of magnetic materials. With a total of 11 patents to his name, he has made remarkable advancements in the development of oxide magnetic materials and permanent magnets.

Latest Patents

Among his latest patents is an innovative oxide magnetic material represented by the formula: (1−x)CaO.(x/2)RO.(n−y/2)FeO.yMO. This material includes a ferrite with a hexagonal M-type magnetoplumbite structure as its main phase. Another notable patent is for a permanent magnet and the method for its preparation, which involves adding a ferrite with a hexagonal W-type magnetoplumbite structure to enhance magnetic properties.

Career Highlights

Throughout his career, Sachio Toyota has worked with notable companies such as Neomax Co., Ltd. and Sumitomo Special Metals Co., Ltd. His work has significantly impacted the field of magnet technology, leading to advancements that benefit various industries.

Collaborations

Sachio has collaborated with esteemed colleagues, including Seiichi Hosokawa and Etsushi Oda, contributing to the development of innovative magnetic materials.

Conclusion

Sachio Toyota's work in the field of magnetic materials showcases his dedication to innovation and excellence. His patents and collaborations reflect his significant impact on technology and materials science.

Profile summary based on public USPTO records.
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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