Masami Murai

Title: Masami Murai: Innovator in Timekeeping and Liquid Jet Technology

Introduction

Masami Murai is a prominent inventor hailing from Nagano-ken, Japan, recognized for his extensive contributions to the fields of timekeeping and liquid ejection technologies. With a remarkable total of 50 patents to his name, Murai exemplifies innovation in his craftsmanship and technological advancements.

Latest Patents

Murai's recent inventions include a groundbreaking **Timepiece Wheel Train**. This invention features a rotating body equipped with a shaft unit, supported by a bearing unit that allows for seamless rotation. Notably, it incorporates lubricating oil containing powder from a diamond-like carbon film situated between the shaft unit and bearing unit, enhancing durability and performance. Another latest invention is his **Liquid Ejection Head**, which utilizes a piezoelectric element. This device is designed to achieve substantial displacement through a driving voltage. It comprises a substrate with a pressure chamber, a diaphragm on the substrate, and a piezoelectric thin film element. The diaphragm is engineered to bend convexly toward the pressure chamber while maintaining an impressive bending limit of no more than 0.4% of the pressure chamber's width.

Career Highlights

Throughout his career, Masami Murai has made significant contributions working for notable companies, including Seiko Epson Corporation. His work has led to the advancement of technologies that play a crucial role in various applications, particularly in timekeeping and precision engineering.

Collaborations

Murai has collaborated with esteemed colleagues such as Tsutomu Nishiwaki and Koji Sumi. These partnerships have fostered an environment of innovation, allowing for the sharing of knowledge and expertise that drives technological advancements.

Conclusion

Masami Murai stands out as a visionary inventor whose patents reflect his dedication to improving existing technologies and developing new solutions. His work continues to influence the fields of timekeeping and fluid dynamics, marking him as an exceptional figure in contemporary innovation.