Location History:
- Hyogo, JP (1994)
- Hyogo-ken, JP (1998)
- Kobe, JP (2003 - 2012)
Company Filing History:
Years Active: 1994-2012
Title: Tsutomu Yoshioka: Innovator in Speaker Technology
Introduction
Tsutomu Yoshioka is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of audio technology, particularly in speaker systems. With a total of four patents to his name, Yoshioka's work focuses on enhancing sound quality and performance in audio devices.
Latest Patents
One of Yoshioka's latest patents is a speaker system designed to minimize interference between sound waves emitted from a woofer and tweeters. This innovative design features a woofer and three or more tweeters arranged in a circular-arc formation, which helps stabilize sound pressure frequency characteristics. Another significant patent is for a horn loudspeaker, which utilizes a sound conduit pipe to emit sound through a horn. This design allows for control over the sound radiation characteristics of the loudspeaker by varying the coupling location and tilt angle of the sound conduit pipe.
Career Highlights
Yoshioka is currently employed at Toa Corporation, a company known for its expertise in audio and communication equipment. His work at Toa Corporation has allowed him to develop and refine his innovative speaker technologies, contributing to the company's reputation in the industry.
Collaborations
Yoshioka has collaborated with several talented individuals in his field, including Hiroshi Kubota and Tsuyoshi Takagi. These collaborations have fostered a creative environment that encourages the development of cutting-edge audio technologies.
Conclusion
Tsutomu Yoshioka is a prominent inventor whose work in speaker technology has made a lasting impact on the audio industry. His innovative designs and patents continue to influence the way sound is produced and experienced.