Location History:
- Tokyo, JP (2003 - 2011)
- Chiyoda-ku, JP (2010 - 2012)
Company Filing History:
13 out of 15,906 
4 out of 21,351 
Years Active: 2003-2012
Title: Innovations of Hideki Takubo
Introduction
Hideki Takubo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of internal combustion engine technology. With a total of 17 patents to his name, Takubo's work focuses on optimizing fuel injection systems and improving engine performance.
Latest Patents
One of his latest patents is a control apparatus for an internal combustion engine. This invention is capable of estimating a single composition concentration based on an air-fuel ratio correction amount obtained from an air-fuel ratio sensor in exhaust gas. It optimizes the fuel injection amount using a concentration estimation value. Additionally, when fueling is performed again during an alcohol concentration change, the apparatus extends the alcohol concentration estimation period. This enhancement improves the accuracy of alcohol concentration estimation during changes due to initial fueling and refueling. Another notable patent involves a control apparatus that detects changes in the alcohol concentration of fuel supplied to the engine. It includes a unit for detecting air-fuel ratio variations and a unit for diagnosing failures when these variations exceed a predetermined threshold.
Career Highlights
Throughout his career, Hideki Takubo has worked with notable companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in engine control technologies.
Collaborations
Takubo has collaborated with esteemed colleagues, including Osamu Maeda and Akira Demizu. Their joint efforts have further advanced the innovations in engine technology.
Conclusion
Hideki Takubo's contributions to internal combustion engine technology are noteworthy. His innovative patents and collaborations have significantly impacted the field, showcasing his expertise and dedication to improving engine performance.