Location History:
- Takatsuki, JP (1991)
- Kawasaki, JP (2005)
- Siga, JP (2005 - 2006)
- Otsu, JP (2006)
Company Filing History:
5 out of 1,627 
3 out of 105 Years Active: 1991-2006
Title: Innovations of Katsuyuki Maeda
Introduction
Katsuyuki Maeda is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of engine technology, holding a total of five patents. His work primarily focuses on variable valve timing mechanisms, which enhance engine performance and efficiency.
Latest Patents
One of his latest patents is a variable valve timing controller for an engine. This innovative controller includes both an intake-valve and an exhaust-valve. When the engine is started, the intake-valve and the exhaust-valve operate in a first mode, where the exhaust-valve is closed before reaching the top dead center, followed by the opening of the intake-valve. Upon meeting a first predetermined condition, the system transitions to a second mode, advancing the opening time of the intake-valve before the top dead center. Another significant patent is a valve timing control apparatus for an engine. This apparatus features a variable valve mechanism that can adjust the opening timing of intake valves and the closing timing of exhaust valves. It includes an elapsed time detecting device that monitors the time elapsed after the engine has been cold-started, along with a timing control device that manages the variable valve mechanism.
Career Highlights
Katsuyuki Maeda has worked with prominent companies in the automotive industry, including Mitsubishi Jidosha Kogyo Kabushiki Kaisha and Mitsubishi Jidosha Engineering Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Throughout his career, Maeda has collaborated with notable colleagues such as Hideo Nakai and Katsuhiko Miyamoto. These partnerships have contributed to the advancement of his inventions and the successful implementation of his patented technologies.
Conclusion
Katsuyuki Maeda's contributions to engine technology through his innovative patents demonstrate his expertise and commitment to enhancing automotive performance. His work continues to influence the industry and inspire future innovations.