Location History:
- Hiratsuka, JP (2003)
- Oyama, JP (2011)
Company Filing History:
Years Active: 2003-2011
Title: Koji Iijima: Innovator in Exhaust Gas Purification and Life Estimation Technologies
Introduction
Koji Iijima is a notable inventor based in Oyama, Japan. He has made significant contributions to the fields of exhaust gas purification and life estimation technologies for engines and machines. With a total of 2 patents, Iijima's work reflects his commitment to advancing engineering solutions.
Latest Patents
Iijima's latest patents include an innovative exhaust gas purification device for internal combustion engines. This device integrates an inlet chamber and outlet chamber for exhaust gas as an inflow/outflow section. It features a first post-treatment device equipped with a diesel particulate filter (DPF) at its central portion and a second post-treatment device with a urea DeNOx catalyst on its outer periphery. The design allows for separate and detachable sections, enabling easy reversal of the DPF without extraction. This innovation also facilitates the simultaneous reversal of the urea DeNOx catalyst, preventing unbalanced deterioration.
Another significant patent is a life estimation device for engines and machines with heat sources. This device accurately measures damage to machinery, allowing for precise life estimation without requiring specialized skills. It utilizes a load map to represent the two-dimensional distribution of engine operation parameters. By calculating actual damage over time, the device determines the estimated life of the engine based on a predetermined correspondence relation.
Career Highlights
Koji Iijima is currently employed at Komatsu Corporation, where he continues to develop innovative technologies. His work has had a substantial impact on improving engine efficiency and longevity.
Collaborations
Iijima collaborates with talented coworkers, including Toshihiko Nishiyama and Taku Murakami. Their combined expertise contributes to the advancement of engineering solutions within their field.
Conclusion
Koji Iijima's contributions to exhaust gas purification and life estimation technologies demonstrate his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving machinery performance and environmental sustainability.