Shoji Okamoto

Title: Shoji Okamoto: Innovator in Piezoelectric Technology

Introduction

Shoji Okamoto is a notable inventor based in Matsuyama, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 3 patents. His work focuses on the development of advanced materials and methods that enhance the performance of electronic devices.

Latest Patents

Okamoto's latest patents include innovative technologies such as a piezoelectric substance element, a piezoelectric substance film manufacturing method, and a liquid discharge head and liquid discharge apparatus. The piezoelectric substance element features a piezoelectric substance film with a pair of electrodes connected to it on a substrate. The main component of the piezoelectric substance film is Pb(Zr, Ti)O, with a composition ratio of Zr/(Zr+Ti) that is over 0.4 but less than 0.7. This film exhibits a tetragonal crystal structure with specific domain characteristics. Additionally, his dielectric member includes a lower electrode, an oriented dielectric layer, and an upper electrode, which enhances the functionality of inkjet recording apparatuses.

Career Highlights

Throughout his career, Okamoto has worked with prominent companies, including Canon Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in piezoelectric materials and their applications in various technologies.

Collaborations

Okamoto has collaborated with notable colleagues such as Kenichi Takeda and Tetsuro Fukui. Their combined efforts have contributed to advancements in the field of piezoelectric technology.

Conclusion

Shoji Okamoto's innovative work in piezoelectric technology has led to significant advancements in electronic devices. His patents reflect a deep understanding of material science and engineering, positioning him as a key figure in this specialized field.