This inventor holds 14 USPTO granted patents and 5 EPO patents. Top assignees: Nippon Steel Corporation, Nippon Steel Sumitomo Metal Corporation. Active years: 1994-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sagamihara, JP (1994)
- Futtsu, JP (2006 - 2007)
- Tokyo, JP (2014 - 2020)
- Kisarazu, JP (2017 - 2022)
Company Filing History:
9 out of 3,721 
5 out of 1,102 Years Active: 1994-2022
Title: Hirofumi Imai: Innovator in Laser Processing Technology
Introduction
Hirofumi Imai is a prominent inventor based in Kisarazu, Japan. He has made significant contributions to the field of laser processing technology, holding a total of 14 patents. His innovative work has advanced the capabilities of electromagnetic steel sheets, which are crucial in various industrial applications.
Latest Patents
Imai's latest patents include a laser processing apparatus designed for refining magnetic domains of grain-oriented electromagnetic steel sheets. This apparatus utilizes a laser beam that is focused on the steel sheet and scanned in a specific direction. The laser beam is characterized by being linearly polarized light, with the angle between the linear polarization direction and the scanning direction set to be greater than 45° and equal to or less than 90°. Another notable patent is for a grain-oriented electrical steel sheet, which features a unique surface design. This design includes grooves that extend in a direction intersecting the rolling direction, enhancing the material's performance.
Career Highlights
Throughout his career, Hirofumi Imai has worked with leading companies in the steel industry, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Imai has collaborated with several notable professionals in his field, including Hideyuki Hamamura and Koji Hirano. These collaborations have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Hirofumi Imai's contributions to laser processing technology and electromagnetic steel sheets have established him as a key figure in his field. His innovative patents and collaborations reflect his commitment to advancing industrial technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile