Company Filing History:
26 out of 1,360 
1 out of 2,887 Years Active: 2011-2025
Title: Hisako Murata: Innovator in Filter Generation Technology
Introduction
Hisako Murata is an influential inventor based in Yokohama, Japan, known for his significant contributions to the field of audio technology. With an impressive portfolio of 27 patents, Murata has made a remarkable impact in developing devices and methods that enhance sound localization processing.
Latest Patents
One of Hisako Murata's latest innovations includes the "Filter Generation Device and Filter Generation Method." This advanced technology aims to provide a device and method capable of generating filters that are well-suited for out-of-head localization processing. The processing device comprises several key components: a frequency characteristics acquisition unit that assesses sound pickup signals, a level calculation unit that determines a reference level, and a correction unit that adjusts the frequency characteristics to align with a predetermined level range. Additionally, a filter generation unit is integrated into the device to produce a corrected filter based on these characteristics.
Another notable patent is the "Processing Device and Processing Method," which focuses on further refining sound processing. This device includes a frequency characteristics acquisition unit that works with sound pickup signals, a smoothing processing unit for generating smoother spectral data, and a first compression unit that calculates a difference value for further optimization. Ultimately, it leads to the generation of a filter based on the improved spectral data.
Career Highlights
Hisako Murata has made significant strides in his career, having worked with prominent companies such as JVC Kenwood Corporation and the Victor Company of Japan, Limited. His expertise and innovative mindset have allowed him to thrive in the competitive fields of audio technology and device development.
Collaborations
Throughout his career, Murata has collaborated with talented individuals such as Yumi Fujii and Takahiro Gejo. These partnerships have fostered a creative environment that has led to groundbreaking advancements in sound technology and processing.
Conclusion
Hisako Murata continues to exemplify the spirit of innovation through his work in filter generation and sound processing technology. With 27 patents to his name, Murata's contributions significantly enhance the way audio is perceived and processed, underscoring his role as a leading figure in the field. His ongoing pursuit of excellence inspires future inventors and innovators in the industry.