Sachiko Takehana

Title: The Innovations of Sachiko Takehana

Introduction

Sachiko Takehana is a notable inventor based in Saitama, Japan. She has made significant contributions to the field of quartz technology, particularly with her innovative designs that enhance the performance of quartz crystal units. Her work is characterized by a focus on improving frequency variation characteristics in response to temperature changes and time.

Latest Patents

Sachiko Takehana holds a patent for a quartz crystal unit that features favorable frequency variation characteristics. This invention utilizes a pair of lead wires positioned perpendicularly to a base, along with supporters that hold and electrically connect a quartz blank at opposite points on its periphery. The design ensures that the orientation of the holding points aligns with the axis where the quartz blank exhibits minimal stress sensitivity. Additionally, the supporting points are arranged in a skew position relative to the holding points, with an optimal angle of approximately 30 degrees when the quartz blank is AT cut.

Career Highlights

Takehana is associated with Nihon Dempa Kogyo Co., Ltd., a company renowned for its advancements in quartz technology. Her work has contributed to the company's reputation as a leader in the industry. With a patent portfolio that includes 1 patent, she continues to push the boundaries of innovation in her field.

Collaborations

Throughout her career, Sachiko Takehana has collaborated with esteemed colleagues such as Mitsuaki Koyama and Shigeru Obara. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Sachiko Takehana's contributions to quartz technology exemplify her innovative spirit and dedication to her craft. Her patented designs not only enhance the performance of quartz crystal units but also reflect her commitment to advancing the field. Her work continues to inspire future innovations in the industry.