Yasuhiko Yusa

Title: Innovations of Yasuhiko Yusa

Introduction

Yasuhiko Yusa is a notable inventor based in Machida, Japan. He has made significant contributions to the field of sound reproduction technology. With a total of two patents to his name, Yusa's work reflects his innovative spirit and technical expertise.

Latest Patents

Yusa's latest patent is a sound reproducing device designed for playing record discs. This device features an index tracking portion that consists of a notch on the continuous flange of the rotational periphery of the record disc unit. The center pin of the device is normally urged outside of a casing by a spring, which also urges an index setting arm equipped with a push button type index setting rotary knob. The index setting portion includes multiple openings formed in the casing, arranged along the rotational plane of the record disc unit. The engaging hook on the index setting arm engages with the flange of the record disc unit, allowing for specific index settings to be selected. This innovative design ensures that the speaker unit remains disengaged from the pickup until the stylus pressure is appropriately applied, enhancing the sound reproduction experience.

Career Highlights

Yasuhiko Yusa is currently associated with Ozen Corporation, where he continues to develop and refine his inventions. His work at the company has allowed him to collaborate with other talented individuals in the field of sound technology.

Collaborations

One of Yusa's notable coworkers is Eishi Koike, with whom he has likely shared insights and expertise in their respective areas of innovation.

Conclusion

Yasuhiko Yusa's contributions to sound reproduction technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of the mechanics involved in sound devices, making him a significant figure in his field.