Hirohumi Tajika

Title: **The Innovative Mind of Hirohumi Tajika**

Introduction

Hirohumi Tajika, an accomplished inventor based in Osaka, Japan, has contributed significantly to the field of piezoelectric devices. With a total of two patents to his name, Tajika's work has paved the way for advancements in acceleration sensor technology.

Latest Patents

Tajika's latest patents showcase his ingenuity in manufacturing bimorph piezoelectric devices. One such patent, titled "Method for manufacturing a bimorph piezoelectric device for acceleration sensor," describes a detailed process involving multiple steps. Initially, a first piezoelectric single-crystal plate is provided, followed by a second plate. These plates are bonded directly without adhesives, leading to the creation of a freely vibrating part through a grinding process. The final product includes a supporting member integrated with this vibrating element, designed for high sensitivity and low cost.

Additionally, he holds another patent titled "Bimorph piezoelectric device for acceleration sensor and method of its manufacture." This invention addresses the need for small-sized, high-sensitivity sensors in devices like hard disks and CD-ROMs. It details a process that allows the simultaneous formation of a vibrating part and supporting means using lithium niobate, ensuring efficient production and enhanced performance.

Career Highlights

Hirohumi Tajika is associated with Matsushita Electric Industrial Co., Ltd., where he continues to innovate and contribute to cutting-edge technology. His expertise in piezoelectric devices has earned him recognition in the industry and among his peers.

Collaborations

Throughout his career, Tajika has worked alongside notable colleagues such as Kazunari Nishihara and Kiyotomo Kubota. Their collaboration has led to significant advancements in their respective fields and has fostered a creative environment for innovation at Matsushita Electric.

Conclusion

Hirohumi Tajika's contributions to the field of piezoelectric devices illustrate his role as a prominent inventor in Japan. His innovative patents not only enhance sensor technology but also reflect his commitment to making advancements that benefit various industries. Through collaboration and dedication, Tajika continues to leave an indelible mark on the world of technology.