Company Filing History:

9 out of 33,418

Seiko Epson Corporation

patents

1 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):Sort by Forward CitationsExplore 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.

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