Company Filing History:
Years Active: 2003
Title: Hitoshi Yamashima: Innovator in Speaker Technology
Introduction
Hitoshi Yamashima is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of speaker technology, holding 2 patents that enhance the performance and durability of audio devices.
Latest Patents
Yamashima's latest patents focus on innovative methods for fixing voice coils to diaphragms in speakers. One patent describes a process where the voice coil is caulk-fixed to a diaphragm using a coil supporting member. This method ensures that the voice coil is physically secured to the diaphragm, thereby increasing the fixing strength. The caulk-fixing technique involves plastic deformation of a caulking projection, which prevents any detrimental effects on the diaphragm's acoustic properties. Additionally, the fit-supporting method interposes a flange portion of the voice coil between the coil supporting member and the diaphragm, providing robust support from both upper and lower sides.
Career Highlights
Yamashima is currently employed at Star Micronics Company Limited, where he continues to innovate in the audio technology sector. His work has contributed to advancements in speaker design and functionality, making a lasting impact on the industry.
Collaborations
Throughout his career, Yamashima has collaborated with talented individuals such as Shigeru Sugiyama and Hajime Kitamura. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Hitoshi Yamashima's contributions to speaker technology through his innovative patents demonstrate his commitment to enhancing audio performance. His work at Star Micronics Company Limited and collaborations with fellow inventors highlight his significant role in the field.