Yasuhiro Yamasako

Title: Yasuhiro Yamasako: Innovator in Engine Technology

Introduction

Yasuhiro Yamasako is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 7 patents. His work focuses on improving engine performance and efficiency through innovative knock detection methods.

Latest Patents

Yamasako's latest patents include a knock determination device and a knock determination method for internal combustion engines. The engine ECU executes operations that involve extracting vibration intensities from various frequency bands detected by a knock sensor. It multiplies these intensities by weight coefficients and calculates integrated values corresponding to crank angles. This process allows for the determination of knocking occurrences based on a calculated coefficient of correlation and knock intensity. The knock determining device filters the output signal of a knock sensor using multiple band-pass filters to extract vibration waveform components. By establishing weighting coefficients that adjust according to noise intensity, Yamasako's inventions enable accurate knock determination even in noisy environments.

Career Highlights

Yasuhiro Yamasako has worked with notable companies such as Toyota Motor Corporation and Denso Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies in engine management systems.

Collaborations

Yamasako has collaborated with talented individuals in his field, including Rihito Kaneko and Kenji Senda. Their combined expertise has contributed to the advancement of engine technology and the successful development of Yamasako's patents.

Conclusion

Yasuhiro Yamasako is a key figure in the innovation of engine technology, with a focus on knock detection methods that enhance engine performance. His contributions through patents and collaborations continue to influence the automotive industry.