Yukifusa Hattori

Title: Innovations by Yukifusa Hattori

Introduction

Yukifusa Hattori is a notable inventor based in Aki-gun, Japan. He has made significant contributions to the field of sound generation technology, particularly in the automotive industry. With a total of 2 patents, Hattori's work focuses on enhancing the auditory experience in electric vehicles.

Latest Patents

Hattori's latest patents include a "Sound Generation Device for Vehicle" and a "Vehicle Sound Generation Device." The sound generation device for a vehicle is designed to be installed in electric-powered vehicles. It features a sound control apparatus that sets multiple frequencies corresponding to motor rotation speed, generating a synthetic sound signal. This signal indicates a synthetic sound that includes various frequencies, which is then output through a speaker. The device is engineered to increase the output of low-frequency sounds more significantly than high-frequency sounds as motor torque increases.

The vehicle sound generation device includes a controller that generates sound signals and sets the localization of the sound. It utilizes left and right front speakers and left and right rear speakers to output sounds based on the signals. The controller adjusts the localization of sounds according to changes in physical quantities related to driving operations, ensuring that the sound image aligns with the wheel experiencing increased ground load.

Career Highlights

Yukifusa Hattori is currently employed at Mazda Motor Corporation, where he applies his expertise in sound technology to develop innovative solutions for modern vehicles. His work is instrumental in enhancing the driving experience through auditory feedback.

Collaborations

Hattori collaborates with talented coworkers, including Ryuichi Yamada and Seisuke Mitsunaga. Together, they contribute to advancements in automotive sound technology.

Conclusion

Yukifusa Hattori's innovative patents and contributions to sound generation in vehicles highlight his role as a key figure in automotive technology. His work not only enhances the functionality of electric vehicles but also improves the overall driving experience.