Hitoshi Kawamura

Title: Hitoshi Kawamura: Innovator in Drive Devices

Introduction

Hitoshi Kawamura is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of drive devices, particularly in the development of technologies that enhance the functionality and efficiency of electronic apparatuses. With a total of 3 patents to his name, Kawamura's work is recognized for its innovative approach to engineering challenges.

Latest Patents

Kawamura's latest patents include a drive device, an image acquisition device, and an electronic apparatus. The drive device features a design that allows for easy setting of the frequency of a drive waveform applied to a piezoelectric element, minimizing the need to consider resonance in a stationary member. This device incorporates a piezo element that expands and contracts based on a drive voltage, a transmission shaft that receives the resulting vibrations, and a lens holder that moves in synchronization with the piezo element and transmission shaft. This innovative structure simplifies the process of setting the drive waveform frequency without the complications of resonance.

Another patent focuses on a drive device that effectively engages a drive shaft and a part holding the drive shaft with an appropriate force, all while maintaining a compact size. This design includes a couple member with a piezoelectric element and a transmission shaft, a lens holder for securing the lens, and a biasing member that ensures the transmission shaft is held in a slidable manner. These advancements contribute to the overall efficiency and performance of camera modules.

Career Highlights

Kawamura is currently employed at Hitachi Maxell, Limited, where he continues to innovate and develop new technologies. His work has significantly impacted the field of electronic devices, particularly in enhancing the performance of imaging systems.

Collaborations

Throughout his career, Kawamura has collaborated with notable colleagues, including Keisuke Taguchi and Susumu Aoki. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Hitoshi Kawamura's contributions to the field of drive devices exemplify the spirit of innovation. His patents reflect a commitment to advancing technology and improving the functionality of electronic devices. His work continues to inspire future developments in the industry.