This inventor holds 3 USPTO granted patents. Top assignees: Hitachi-Kokusai Electric Inc., Other. Active years: 2001-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1,258 
2 out of 834,601 Years Active: 2001-2004
Title: Innovations of Yunlong Li in Plasma Generation Technology.
Introduction
Yunlong Li is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of plasma generation technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and effectiveness of plasma generation apparatuses.
Latest Patents
Yunlong Li's latest patents include a plasma generation apparatus designed to enable the generation of high-density plasma within the center of a plasma generation region. This apparatus features a vacuum vessel, gas induction unit, exhaust unit, cylindrical discharge electrode, high-frequency oscillators, and ring-shaped permanent magnets. The design ensures that the magnetic force lines do not intersect with the two disk-shaped walls that define the plasma generation region.
Another significant patent is for a plasma generating apparatus and semiconductor manufacturing method. This invention also aims to generate high-density plasma in the central portion of the plasma generating zone. It includes rectangular electrodes and a rectangular fistulous discharge electrode that surrounds the plasma generating zone, along with a vacuum chamber of rectangular cross-section. The configuration of the apparatus allows for optimal plasma generation without interference from the electrodes.
Career Highlights
Throughout his career, Yunlong Li has worked with prominent companies, including Hitachi-Kokusai Electric Inc. His innovative work has positioned him as a key figure in the development of advanced plasma technologies.
Collaborations
Yunlong Li has collaborated with esteemed colleagues such as Noriyoshi Sato and Satoru Iizuka. Their combined expertise has contributed to the advancement of plasma generation technologies.
Conclusion
Yunlong Li's contributions to plasma generation technology are noteworthy, with multiple patents that reflect his innovative spirit and dedication to advancing the field. His work continues to influence the development of efficient plasma generation methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile