This inventor holds 3 USPTO granted patents. Top assignee: Sugita Wire Mfg. Co., Ltd.. Active years: 1986-1994.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1989)
- Ichikawa, JP (1986 - 1994)
Company Filing History:
Years Active: 1986-1994
Title: Heiji Sugita: Innovator in Steel Wire Production
Introduction
Heiji Sugita is a notable inventor based in Ichikawa, Japan. He has made significant contributions to the field of steel wire production, particularly in the development of methods for producing high-strength oil-tempered steel. With a total of 3 patents to his name, Sugita's work has had a considerable impact on the manufacturing of springs.
Latest Patents
One of Sugita's latest patents is a method for producing oil-tempered steel through continuous heat treatments. This innovative approach allows for the production of steel wires for springs that possess both high strength and toughness, which are essential for weight reduction. The method involves a two-step accelerated hardening process that includes oil hardening followed by water hardening, along with subsequent tempering. The specific chemical composition of the medium carbon low alloy spring steel used in this process is crucial for achieving the desired properties.
Another significant patent by Sugita is focused on the production of oil quench hardening and tempering for hard-drawn steel wire. This invention results in a high-strength steel wire that can be used to create high-quality springs. The wire features a shaped cross-section that is free of twist in the longitudinal direction, ensuring uniformity and reliability in spring manufacturing.
Career Highlights
Heiji Sugita is associated with Sugita Wire Mfg. Co., Ltd., where he has applied his expertise in steel production. His innovative methods have not only advanced the technology in this field but have also contributed to the efficiency and quality of spring manufacturing.
Collaborations
Sugita has worked alongside notable colleagues such as Masao Toyama and Takehiko Kato. Their collaborative efforts have further enhanced the development of advanced steel wire technologies.
Conclusion
Heiji Sugita's contributions to the field of steel wire production through his innovative patents have established him as a key figure in the industry. His work continues to influence the manufacturing processes of high-strength springs, showcasing the importance of innovation in material science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile