This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1988-1994.
Company Filing History:
Years Active: 1988-1994
Title: Toshimasa Kisa: Innovator in Microwave Plasma Processing
Introduction
Toshimasa Kisa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor fabrication, particularly through his innovative work in microwave plasma processing. With a total of 3 patents, Kisa has established himself as a key figure in advancing technology for integrated circuit manufacturing.
Latest Patents
Kisa's latest patents include a microwave plasma processing process and apparatus, which is essential for the fabrication of integrated circuits (IC) and similar semiconductor devices. This invention utilizes plasma generated by microwaves transmitted through a microwave transmission window, which is positioned perpendicular to the electric field of the progressive microwaves in the waveguide. Another notable patent is the downstream microwave plasma processing apparatus, which features a waveguide and a microwave transmitting window that enhances the fabrication of integrated circuit semiconductor devices. This apparatus includes a plasma generating chamber and a reaction chamber, separated by a gas-porous microwave shield, allowing for uniform and effective downstream plasma etching or ashing.
Career Highlights
Kisa is currently employed at Fujitsu Corporation, where he continues to innovate and contribute to the field of semiconductor technology. His work has been instrumental in improving processes that are critical for the production of high-performance electronic devices.
Collaborations
Throughout his career, Kisa has collaborated with notable colleagues such as Shuzo Fujimura and Yasunari Motoki. These collaborations have further enriched his research and development efforts in microwave plasma processing.
Conclusion
Toshimasa Kisa's contributions to microwave plasma processing have significantly impacted the semiconductor industry. His innovative patents and ongoing work at Fujitsu Corporation highlight his role as a leading inventor in this vital field.