Company Filing History:
12 out of 4,988 
1 out of 832,680 Years Active: 1991-2003
Title: The Innovative Contributions of James S. Sewell
Introduction
James S. Sewell is a notable inventor based in Kettering, OH (US). He has made significant contributions to the field of integrated circuit technology, holding a total of 13 patents. His work focuses on enhancing the performance and fabrication processes of semiconductor devices.
Latest Patents
One of his latest patents is for a "Measured via-hole etching" technique. This invention provides an integrated circuit substrate via-hole fabrication arrangement that allows for accurate determination of via-hole size and registration. The process involves creating a calibrated pattern during the normal circuit fabrication process, which aids in the precise initiation and completion of via-holes. This innovation is particularly useful for fabricating ground conductor-connected via conductors for gigahertz radio frequency-capable integrated circuits.
Another significant patent is the "Complementary heterostructure integrated single metal transistor apparatus." This enhancement mode device features a complementary pair of group III-IV semiconductor field-effect transistors. The design includes single metallization for ohmic and Schottky barrier contacts, along with a permanent non-photosensitive passivation layer. This invention aims to reduce fabrication costs while improving dimensional accuracy and electrical performance.
Career Highlights
James S. Sewell has worked with various organizations, including the United States of America as represented by the Secretary of the Air Force. His contributions have been instrumental in advancing semiconductor technology and integrated circuit design.
Collaborations
Throughout his career, Sewell has collaborated with notable individuals such as Kenichi Nakano and Christopher A. Bozada. These partnerships have further enriched his work and contributed to the success of his inventions.
Conclusion
James S. Sewell's innovative patents and contributions to the field of integrated circuits demonstrate his expertise and commitment to advancing technology. His work continues to influence the semiconductor industry and pave the way for future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.