Location History:
- Gunma, JP (2010)
- Tokyo, JP (2014 - 2016)
- Takasaki, JP (2011 - 2021)
Company Filing History:
Years Active: 2010-2021
Title: Yutaka Doshida: Innovator in Electroacoustic Transducer Technology
Introduction
Yutaka Doshida, based in Takasaki, Japan, is a prominent inventor recognized for his significant contributions to the field of electroacoustic transducers. With an impressive portfolio of 31 patents, Doshida has made notable advancements in technology that enhance the performance and reliability of piezoelectric devices.
Latest Patents
One of Doshida's latest inventions is an innovative electroacoustic transducer. This device comprises a piezoelectric speaker and a meticulously designed housing. The piezoelectric speaker features a first vibration plate with a periphery, where a piezoelectric element is strategically placed on one face of the vibration plate. The design includes multiple openings around the piezoelectric element that penetrate through the thickness of the first vibration plate, facilitating improved sound quality. The housing is engineered with a supporting part that supports the periphery and a sound introduction port positioned to optimize acoustic performance without overlapping significant openings.
Another significant patent from Doshida involves a novel piezoelectric element that consists of a single-layer or laminated design. This element is composed of a first and second electrode that contain at least 50% silver by weight, with a piezoelectric ceramic layer made from an alkali niobate piezoelectric ceramic. By incorporating alkali earth metals such as calcium, strontium, or barium, along with silver, this invention enhances electrical resistance and piezoelectric properties, thereby achieving higher reliability and exceptional piezoelectric characteristics.
Career Highlights
Doshida's inventive prowess has led him to a key position at Taiyo Yuden Co., Ltd., where he continues to push the boundaries of electroacoustic technology. His extensive research and development efforts have not only spawned numerous patents but have also positively impacted the industry.
Collaborations
Throughout his career, Doshida has collaborated with esteemed colleagues such as Keiichi Hatano and Hiroshi Hamada. These partnerships have contributed to the further development of cutting-edge technologies and innovations in the realm of electroacoustics.
Conclusion
Yutaka Doshida stands as a noteworthy figure in the landscape of electroacoustic transducer innovations. His 31 patents underline a dedication to enhancing the functionality and reliability of piezoelectric devices. Through his work at Taiyo Yuden Co., Ltd., and collaborations with talented peers, Doshida continues to shape the future of acoustic technology, making significant strides towards more effective and reliable sound solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.