Location History:
- Kyoto, JP (1990 - 2003)
- Miyanohigashi-machi, JP (2003 - 2005)
Company Filing History:
7 out of 702 
1 out of 1,625 
1 out of 1 Years Active: 1990-2005
Title: Tokihiro Tsukamoto: Innovator in Vehicle Emission Measurement
Introduction
Tokihiro Tsukamoto is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of vehicle emission measurement, holding a total of nine patents. His innovative methods have advanced the precision of measuring nitrogen oxide concentrations in engine emissions.
Latest Patents
One of Tsukamoto's latest patents is a method for easily measuring nitrogen oxide concentration in engine vehicle emissions. This invention allows for high-precision measurement of vehicle emissions even in various operating conditions. By utilizing a NO sensor specifically designed for lean regions, the method introduces secondary air into the exhaust pipe, enabling accurate measurement of NO concentration. Another notable patent is a system and method for measuring brake mean effective pressure in a running vehicle. This invention employs an air flow sensor and a λ sensor, along with a data collecting apparatus, to determine specific fuel consumption and engine output while the vehicle is in motion.
Career Highlights
Throughout his career, Tokihiro Tsukamoto has worked with notable companies such as Horiba, Ltd. and Mitsubishi Jidosha Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in vehicle technology and emissions measurement.
Collaborations
Tsukamoto has collaborated with esteemed colleagues, including Nobutaka Kihara and Koichi Matsumoto. Their joint efforts have furthered advancements in the automotive industry.
Conclusion
Tokihiro Tsukamoto's innovative work in vehicle emission measurement has established him as a key figure in the field. His patents reflect a commitment to improving environmental standards and vehicle performance.