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For the Inventor, By the Inventor

Suwa, Japan

Toshiyuki Ishibashi

This inventor holds 9 USPTO granted patents. Top assignees: Seiko Epson Corporation, Cosmo System Corporation. Active years: 1996-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Ishibashi. Retrieved from https://idiyas.com/inventor/toshiyuki-ishibashi

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 6

Forward Citations = 81(Granted Patents)


Location History:

  • Nagano, JP (1997)
  • Suwa, JP (1996 - 2000)
  • Nagano-ken, JP (1996 - 2000)

Company Filing History:

goldMedal9 out of 34,296 
 
Seiko Epson Corporation
 patents
silverMedal1 out of 1 
 
Cosmo System Corporation
 patent
where one patent can have more than one assignee

Years Active: 1996-2000

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9 patents (USPTO):Explore Patents
1. 6139765 - Magnetic powder, permanent magnet produced therefrom and process for (2000-10-31),
2. 6136099 - Rare earth-iron series permanent magnets and method of preparation (2000-10-24),
3. 5888416 - Rare-earth bonded magnet composition, rare-earth bonded magnet and (1999-03-30),
4. 5647886 - Magnetic powder, permanent magnet produced therefrom and process for (1997-07-15),
5. 5597425 - Rare earth cast alloy permanent magnets and methods of preparation (1997-01-28),
6. 5581180 - Horizontal and vertical displacement detector of wire rope (1996-12-03),
7. 5565043 - Rare earth cast alloy permanent magnets and methods of preparation (1996-10-15),
8. 5560784 - Rare earth cast alloy permanent magnets and methods of preparation (1996-10-01),
9. 5538565 - Rare earth cast alloy permanent magnets and methods of preparation (1996-07-23),

Title: The Innovative Contributions of Toshiyuki Ishibashi

Introduction

Toshiyuki Ishibashi is a prominent inventor based in Suwa, Japan, known for his significant contributions to the field of magnetic materials. With a total of nine patents to his name, Ishibashi has made remarkable advancements in the development of magnetic powders and permanent magnets.

Latest Patents

Ishibashi's latest patents include innovative technologies such as a magnetic powder and a permanent magnet produced therefrom. This invention enhances magnetic properties through magnetic interaction, utilizing a mixture of two or more powders. The magnetic powder comprises a magnetic powder A and a magnetic powder B, with specific relationships in their residual magnetic flux densities and coercive forces. Another notable patent involves a rare earth-iron series permanent magnet formed from an alloy ingot using a one-step hot working process. This process allows for the creation of magnets with fine crystal grains aligned in a desired direction, significantly improving their performance.

Career Highlights

Throughout his career, Ishibashi has worked with esteemed companies such as Seiko Epson Corporation and Cosmo System Corporation. His experience in these organizations has contributed to his expertise in the field of magnetic materials and has facilitated his innovative endeavors.

Collaborations

Ishibashi has collaborated with notable coworkers, including Koji Akioka and Tatsuya Shimoda. These partnerships have likely played a role in the development of his patents and the advancement of magnetic technology.

Conclusion

Toshiyuki Ishibashi's contributions to the field of magnetic materials through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future developments in magnetic applications.

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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