Location History:
- Katano, JA (1976)
- Osaka, JP (2002)
Company Filing History:
Years Active: 1976-2002
Title: **Masakuni Hirata: Innovator from Osaka**
Introduction
Masakuni Hirata is a distinguished inventor based in Osaka, Japan, known for his significant contributions to the field of electro-mechanical devices. With a portfolio that includes two patents, Hirata's work aims to enhance functionality in mobile technology and audio systems.
Latest Patents
Hirata's latest innovations include the "Electrical/Mechanical/Sound Converter" and "Apparatus of Electrical/Mechanical/Sound Conversion." These patents focus on an electro-mechanical-audio converter designed for mobile terminals, such as mobile phones, which creates stable vibration functionalities for paging alerts. The converter comprises a housing and a movable part, forming a magnetic circuit, mounted on the housing through a suspension. A detection coil is positioned near the movable part to generate excitation voltage via vibration. This ensures that strong vibrations during resonance are effectively detected and fed back, yielding an exceptionally stable vibration function, even with environmental changes like temperature fluctuations.
Another notable patent is the "Diaphragm for Loud Speaker," where Hirata innovatively manufactures a diaphragm using natural or synthetic fibers. This process involves impregnating diaphragm blanks with a water-soluble inorganic flame retardant and a fluorine-containing water repellent and oil repellent agent, followed by heating and molding into a final speaker diaphragm.
Career Highlights
Masakuni Hirata is associated with Matsushita Electric Industrial Co., Ltd., a leading company in electronics and technological innovations. His work exemplifies the integration of mechanical and sound engineering, contributing to the evolution of audio technologies.
Collaborations
Throughout his career, Hirata has collaborated with fellow inventors, including Mitsutaka Enomoto and Takanori Fukuyama. These collaborations have been pivotal in fostering an environment of innovation, helping drive advancements in their respective fields.
Conclusion
Masakuni Hirata’s inventive spirit and dedication to technological advancement significantly impact the electronic and audio industries. His patents not only contribute to the enhancement of mobile devices but also pave the way for future innovations in sound technology.