Saitama, Japan

Yoichi Hirose

This inventor holds 17 USPTO granted patents, primarily in Rare-Earth Alloys. Top assignees: Showa Denko K.k., Canon Kabushiki Kaisha, Showa Denko Kabushiki Kaisha. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Hirose. Retrieved from https://idiyas.com/inventor/yoichi-hirose

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 232(Granted Patents)


Location History:

  • Showa-machi, Komejima, Kitakatsushika-gun, Saitama-ken, JP (1990)
  • Showa-Machi, Komeejima, Kitakatsushika-gun, Saitama JP (1991)
  • Kitakatsushika, JP (1989 - 1992)
  • Kitakatsushika-gun, Saitama, JP (1993)
  • Saitama JP (1993)
  • Saitama-ken, JP (1996)
  • Saitama, JP (1995 - 2002)
  • Chichibu, JP (2004 - 2007)

Company Filing History:


Years Active: 1989-2007

Loading Chart...
Areas of Expertise:
Centrifugal Casting
Rare-Earth Magnet
Diamond Synthesis
Hydrogen-Absorbing Alloy
Vapor-Phase Synthesis
CVD Process
Cast Alloy
Composite Diamond Grain
Sintered Magnet
Alloy Production
Tabular Diamond Crystals
17 patents (USPTO):Explore Patents

Title: Yoichi Hirose: Innovator in Centrifugal Casting Technology

Introduction

Yoichi Hirose is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of casting technology, particularly through his innovative methods and apparatuses. With a total of 17 patents to his name, Hirose has established himself as a key figure in the advancement of materials engineering.

Latest Patents

Hirose's latest patents include a centrifugal casting method, a centrifugal casting apparatus, and a cast alloy produced by the same. This invention relates to a casting method that employs rapid solidification of metals and rare-earth metals. The centrifugal casting method involves pouring a molten material onto a rotary body, which then sprinkles the molten material due to its rotation. The sprinkled molten material is deposited and solidified on the inner surface of a rotating cylindrical mold. Notably, the axes of rotation of the rotary body and the cylindrical mold are not parallel, which allows for a decrease in the average deposition rate. This innovative approach suppresses the generation of the dendritic αFe phase and segregation phases of manganese, resulting in a high-performance R-T-B-type rare-earth magnet alloy.

Career Highlights

Throughout his career, Hirose has worked with notable companies, including Showa Denko K.K. His work has significantly impacted the field of casting technology, leading to advancements that enhance the performance of various materials.

Collaborations

Hirose has collaborated with esteemed colleagues such as Hiroshi Hasegawa and Shiro Sasaki. These partnerships have contributed to the development of innovative solutions in the casting industry.

Conclusion

Yoichi Hirose's contributions to centrifugal casting technology exemplify his dedication to innovation and excellence. His patents and collaborative efforts continue to influence the field, paving the way for future advancements in materials engineering.

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]
Loading…