Location History:
- Nagaokakyo, JP (1996)
- Toyama-ken, JP (2005)
Company Filing History:
Years Active: 1996-2005
Title: Mikio Nakashima: Innovator in Piezoelectric Technology
Introduction
Mikio Nakashima, a distinguished inventor from Toyama-ken, Japan, is renowned for his contributions to piezoelectric technology. With a total of two patents to his name, Nakashima has significantly advanced the field of electroacoustics, paving the way for innovations in various applications.
Latest Patents
Nakashima's latest patents include the "Piezoelectric Electroacoustic Transducer and Manufacturing Method of the Same" and the "Method of Polarizing Piezoelectric Ceramic Substrate." The first patent describes a piezoelectric electroacoustic transducer that features multiple piezoelectric layers configured to flexurally vibrate. This is achieved by polarizing the ceramic layers in the same thickness direction while applying alternating signals between external electrodes and an internal electrode positioned among the layers. Additionally, the design includes a dummy electrode to manage polarization efficiency.
His second patent outlines a method for polarizing a piezoelectric ceramic substrate using oppositely positioned polarization electrodes on the front and back surfaces. By connecting these electrodes with non-opposed connecting electrodes and applying a direct current voltage, Nakashima's method effectively reduces stress concentration during the polarization process, thereby minimizing the risk of cracking in the substrate.
Career Highlights
Mikio Nakashima is currently employed at Murata Manufacturing Co., Ltd., a leading company in electronic components and systems. His work has been instrumental in enhancing the company's capabilities in electroacoustic devices, demonstrating a keen understanding of material properties and electrical engineering.
Collaborations
Throughout his career, Nakashima has collaborated with notable colleagues such as Sachihito Nakafuku and Kiyoshi Iyama. Together, they have tackled various challenges in the field, contributing to innovative solutions and fostering an environment of creativity and technical excellence within their organization.
Conclusion
Mikio Nakashima stands out as a significant figure in the realm of piezoelectric technology, with his innovative patents reflecting his dedication to the field. His contributions not only advance scientific understanding but also hold promise for practical applications in various electronic devices, ensuring a lasting impact on the industry.