Company Filing History:
9 out of 31,002 
1 out of 240 
Years Active: 2006-2018
Title: John T Johnson: Innovator in Automotive Exhaust Technologies
Introduction
John T Johnson is a notable inventor based in Sterling Heights, MI (US), recognized for his contributions to automotive exhaust technologies. With a total of 9 patents, Johnson has made significant advancements in the field, particularly focusing on materials and systems that enhance the efficiency of exhaust treatment.
Latest Patents
Among his latest innovations, Johnson has developed a patent for perovskite-based oxygen storage materials. This technology involves perovskite materials that incorporate at least one platinum group metal (PGM) and specific perovskite compounds. These materials are designed to treat automotive exhaust gas effectively. Another significant patent is for an exhaust aftertreatment system for compression-ignition engines. This system includes an oxidation catalyst and a particulate filter, along with an ammonia-selective catalytic reduction catalyst, aimed at purifying exhaust gases.
Career Highlights
Throughout his career, Johnson has worked with prominent organizations, including GM Global Technology Operations LLC and the Administrators of the Tulane Educational Fund. His work has been pivotal in developing technologies that address environmental concerns related to automotive emissions.
Collaborations
Johnson has collaborated with notable colleagues such as Daniel Dziedzic and Kenneth B Gross, contributing to the advancement of automotive technologies through teamwork and shared expertise.
Conclusion
John T Johnson's innovative work in automotive exhaust technologies showcases his commitment to improving environmental standards in the automotive industry. His patents reflect a deep understanding of materials science and engineering, making him a significant figure in his field.