Company Filing History:
6 out of 21,351 
5 out of 15,928 
Years Active: 1999-2021
Title: **The Innovative Mind of Bunkei Matsuoka: A Pioneer in Sound Signal Technology**
Introduction
Bunkei Matsuoka, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of audio technology with a total of 11 patents to his name. His innovative spirit and dedication to advancing sound signal processing are reflected in his latest inventions, which focus on enhancing audio experiences in various environments, particularly within vehicles.
Latest Patents
Among Matsuoka's latest patents is the "Sound Signal Control Device and Method" and a "Recording Medium." This groundbreaking sound signal control device is designed to work in a vehicle environment. It integrates an input transducer to detect ambient sound, a sensor to capture images of the vehicle's occupants, and an output transducer to emit sound. The device’s controller generates head position information and the occupant’s state based on the sensor's imaging data. The processor generates cancellation signals to reduce noise at the occupant's head position while adjusting noise cancellation based on the occupant's state. In addition, another notable patent is the "Audio Signal Processing Device," which features a period detecting unit that identifies the fundamental period of input audio signals and generates a corresponding square wave, enhancing the audio quality.
Career Highlights
Matsuoka's professional journey includes significant roles at Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation, where he honed his skills in audio technology and innovation. Throughout his career, he has demonstrated a consistent commitment to enhancing sound technology and audio signal processing.
Collaborations
His journey as an innovator has been enriched by collaborations with notable individuals in the field, including colleagues Masaru Kimura and Hirohisa Tasaki. Their collective expertise contributes to the advancement of technology in audio processing and related domains.
Conclusion
Bunkei Matsuoka's innovative contributions to sound technology exemplify the spirit of invention that drives advancements in various industries. With a remarkable portfolio of patents focused on enhancing audio experiences, he continues to inspire future generations of inventors and innovators in Tokyo and beyond.