Keisuke Miyashita

Title: Keisuke Miyashita: Innovator in Quartz Crystal Technology

Introduction

Keisuke Miyashita is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of quartz crystal technology. His innovative work has led to the development of a unique quartz crystal element that addresses unwanted responses in quartz applications.

Latest Patents

Miyashita holds a patent for a "Quartz crystal element using a thickness shear hexagonal quartz blank." This invention focuses on suppressing unwanted responses by utilizing a thickness shear quartz blank, specifically an AT-cut type. The design involves forming the quartz blank into a substantially hexagonal shape, which eliminates areas where unwanted response amplitudes may be strong. The patent outlines that for an AT-cut type of quartz crystal element, the direction of the longest diagonal line of the quartz blank is maintained within a specific range from the Z' axis direction.

Career Highlights

Keisuke Miyashita is associated with Nihon Dempa Kogyo Co., Ltd., a company known for its advancements in quartz crystal technology. His work has been instrumental in enhancing the performance and reliability of quartz crystal elements used in various applications.

Collaborations

Miyashita has collaborated with notable colleagues, including Mitsuaki Koyama and Shigenori Watanabe. Their combined expertise has contributed to the successful development of innovative quartz technologies.

Conclusion

Keisuke Miyashita's contributions to quartz crystal technology exemplify the impact of innovation in this field. His patent and collaborative efforts continue to influence advancements in quartz applications.