Location History:
- Zama, JP (2002 - 2003)
- Yokohama, JP (2003 - 2005)
Company Filing History:
Years Active: 2002-2005
Title: Hajime Oguma: Innovator in Exhaust Gas Purification Technology
Introduction
Hajime Oguma is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of exhaust gas purification, particularly in internal combustion engines. With a total of 4 patents to his name, Oguma's work focuses on improving emission control technologies.
Latest Patents
One of his latest patents is an "Apparatus and a method for exhaust gas purification in an internal combustion engine." This invention aims to enhance exhaust gas purification performance immediately after a cold engine starts. The method involves controlling the air-fuel ratio to be in a lean range for hydrocarbon (HC) purification and then switching to a rich range based on parameters related to NOx density and catalyst temperature. Another significant patent is the "Apparatus and method for engine exhaust purification." This invention estimates the oxygen storage amount of a catalyst and adjusts the air-fuel ratio accordingly to improve emission control performance.
Career Highlights
Hajime Oguma is currently employed at Nissan Motor Company Limited, where he applies his expertise in developing advanced technologies for cleaner engines. His innovative approaches have contributed to Nissan's commitment to reducing vehicle emissions and enhancing environmental sustainability.
Collaborations
Oguma has collaborated with notable colleagues such as Ritsuo Sato and Atsushi Sakai. Their combined efforts in research and development have led to advancements in exhaust gas purification technologies.
Conclusion
Hajime Oguma's contributions to exhaust gas purification technology reflect his dedication to innovation and environmental responsibility. His patents demonstrate a commitment to improving engine performance while reducing harmful emissions.
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.