Katsunori Iwasaki

This inventor holds 20 USPTO granted patents, primarily in Magnetic Materials. Top assignees: Hitachi Metals, Ltd., 501 Hitachi Metals, Ltd.. Active years: 1990-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsunori Iwasaki. Retrieved from https://idiyas.com/inventor/katsunori-iwasaki

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

Calculating rank

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 127(Granted Patents)

Location History:

Kumagaya, JP (1990 - 1994)
Saitama-ken, JP (2002 - 2003)
Shimane-ken, JP (2008)
Yasugi, JP (2013)

Company Filing History:

501 Hitachi Metals, Ltd.

patents

Years Active: 1990-2013

Loading Chart...

Areas of Expertise:

Magnet Powder

Resin-Bonded Magnets

Anisotropic Magnets

Ferrite Magnet Powder

Hot-Worked Magnets

Magnetic Compounds

Nd-Fe-B Magnets

Manufacturing Methods

Magnet Production

Compound Particles

Magnetically Anisotropic

Rare Earth Magnets

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8409498 - Method of producing a sputter target material (2013-04-02),

2. RE40524 - Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom (2008-09-29),

3. 6537463 - Resin-bonded magnet, its product, and ferrite magnet powder and compound used therefor (2003-03-25),

4. 6423386 - Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom (2002-07-23),

5. 5286308 - Magnetically anisotropic R-T-B magnet (1994-02-15),

6. 5162063 - Magnetically anisotropic R-T-B magnet (1992-11-10),

7. 5125990 - Magnetically anisotropic hot-worked magnet and method of producing same (1992-06-30),

8. 5098486 - Magnetically anisotropic hotworked magnet and method of producing same (1992-03-24),

9. 5096509 - Anisotropic magnetic powder and magnet thereof and method of producing (1992-03-17),

10. 5085715 - Magnetically anisotropic bond magnet, magnetic powder for the magnet and (1992-02-04),

11. 5039292 - Device for manufacturing magnetically anisotropic magnets (1991-08-13),

12. 5026419 - Magnetically anisotropic hotworked magnet and method of producing same (1991-06-25),

13. 4985086 - Method and apparatus for producing magnetically anisotropic Nd-Fe-B (1991-01-15),

14. 4983232 - Anisotropic magnetic powder and magnet thereof and method of producing (1991-01-08),

15. 4978398 - Magnetically anisotropic hot-worked magnet and method of producing same (1990-12-18),

Title: Katsunori Iwasaki: A Pioneer in Sputter Target Materials and Magnet Technology

Introduction

Katsunori Iwasaki, a notable inventor based in Kumagaya, Japan, has made significant contributions to the field of materials science. With a remarkable portfolio of 20 patents, Iwasaki has developed innovative processes and materials that play a crucial role in various technological applications.

Latest Patents

Among his latest inventions is a method of producing a sputter target material. This innovative method involves creating a sintered material that consists of specific metal elements, including titanium, zirconium, vanadium, niobium, and chromium, along with molybdenum and unavoidable impurities. The unique microstructure of this sputter target material features oxide particles arranged near the boundaries of metal element islands, providing distinct advantages in sputtering applications.

Another significant patent pertains to magnet powder-resin compound particles. Iwasaki's invention describes particles substantially composed of rare earth magnet powder and a binder resin, characterized by their rounded shape and precise particle size. These particles are produced through an advanced extrusion process, resulting in cylindrical fine pellets that are subsequently rounded by rotation. This technology is vital for the development of resin-bonded rare earth magnets, which are increasingly used in various high-performance applications.

Career Highlights

Katsunori Iwasaki has an extensive career, having worked with renowned companies such as Hitachi Metals, Ltd. His experience in the field of materials development has provided him with a strong foundation for his innovative endeavors. His contributions have helped advance technologies in both industrial and consumer markets.

Collaborations

Throughout his career, Iwasaki has collaborated with esteemed colleagues, including Shigeho Tanigawa and Yasuto Nozawa. These partnerships have fostered a creative environment, leading to groundbreaking inventions and advancements within their field.

Conclusion

Katsunori Iwasaki's dedication to innovation in materials science is evident through his impressive array of patents and his impactful career. His work in producing critical materials for sputtering and magnet technology continues to influence various industries, making him a key figure in the realm of scientific advancements.

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]