This inventor holds 5 USPTO granted patents and 11 published patent applications. Top assignees: Hitachi Powdered Metals Co., Ltd., M.h. Center Limited. Active years: 1990-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Matsudo, JP (1990)
- Tokyo, JP (1992 - 1995)
Company Filing History:
5 out of 149 
1 out of 6 Years Active: 1990-1995
Title: Yoshiki Hirai: Innovator in Powder Extrusion Technology
Introduction
Yoshiki Hirai is a notable inventor based in Tokyo, Japan, with an impressive portfolio of five patents. His work primarily focuses on methods and apparatus for extruding powdered materials, contributing significantly to the advancements in this industrial sector.
Latest Patents
Hirai's latest patents revolve around innovative techniques for extruding powdered materials to create pellets. One of his noteworthy inventions is a method and apparatus for extruding a powdered material, which involves forming an elongated pellet. This apparatus integrates a connection mechanism situated between the inlet and the constriction passages, ensuring that two successively charged portions of the powdered material are continuously connected during the extrusion process. Another significant patent details a procedure that includes preparing a semicompacted powdered material for placement in a die cavity, charging this cavity, and then pressing the material to achieve a complete compression into pellet form. This efficient method is significant for industries utilizing powdered materials, enabling a streamlined extrusion process.
Career Highlights
Throughout his career, Yoshiki Hirai has been associated with prominent companies such as Hitachi Powdered Metals Co., Ltd. and M.H. Center Limited. His contributions in these organizations have been pivotal, helping advance technology in powder processing techniques.
Collaborations
Hirai has collaborated with notable peers in his field, including Hisanobu Kanamaru and Susumu Aoyama. Their joint efforts have allowed them to push the boundaries of innovation and explore new aspects of powdered material extrusion.
Conclusion
Yoshiki Hirai's dedication to innovation in powder extrusion technology continues to shape the industry. His five patents demonstrate his technical expertise and commitment to developing efficient solutions. As an inventor, Hirai sets a strong example for future creators in the field, inspiring continuous advancement in manufacturing processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile