Osamu Kawauchi

Title: The Innovations of Osamu Kawauchi

Introduction

Osamu Kawauchi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of surface acoustic wave devices, which are essential in various communication technologies. His innovative work has led to the development of a patented technology that enhances the performance of communication devices.

Latest Patents

Kawauchi holds a patent for a surface acoustic wave device, communication device using the same, and antenna duplexer. This invention includes a package with a coefficient of linear expansion and a piezoelectric element that forms a surface acoustic wave element. The piezoelectric element is mounted on the package using flip chip bonding. It features different coefficients of linear expansion in the direction of wave propagation and vertically, ensuring optimal performance. The element is crafted from a single crystal with specific X, Y, and Z crystal axes, aligning the X axis with the wave propagation direction.

Career Highlights

Osamu Kawauchi has been associated with Fujitsu Media Devices Limited, where he has contributed to various projects and innovations. His expertise in surface acoustic wave technology has positioned him as a key figure in the development of advanced communication devices.

Collaborations

Kawauchi has worked alongside notable colleagues such as Toshio Nishizawa and Masanori Ueda. Their collaborative efforts have furthered advancements in the field of acoustic wave technology.

Conclusion

Osamu Kawauchi's contributions to surface acoustic wave devices exemplify the impact of innovative thinking in communication technology. His patented inventions continue to influence the industry and pave the way for future advancements.