This inventor holds 2 USPTO granted patents. Top assignees: Foster Electric Company, Limited, Frey Co., Ltd., Kabushiki Kaisha Toyota Jidoshokki. Active years: 2012.
Location History:
- Akishima, JP (2012)
- Tokyo, JP (2012)
Company Filing History:
2 out of 75 
1 out of 1 
1 out of 1,899 
Years Active: 2012
Title: Hirofumi Onohara: Innovator in Vehicle Sound Technology
Introduction
Hirofumi Onohara, based in Akishima, Japan, is a talented inventor known for his contributions to the field of audio technology, particularly in vehicle sound systems. With two registered patents, Onohara's innovations focus on enhancing the auditory experience in vehicles, allowing for superior sound quality and performance.
Latest Patents
Onohara’s most recent patents include the following inventions:
1. **Vehicle Speaker** - This innovative speaker design incorporates a panel, a giant magnetostrictive vibrator, and a vibration transmission pad. The panel serves as a diaphragm that produces high-frequency sounds, while the vibrator excites the panel’s vibrations according to a specific signal. The vibration transmission pad is integral to the system, ensuring efficient transmission of vibrations and, consequently, sound throughout the vehicle.
2. **Super Magnetostriction Speaker** - This speaker features exceptional acoustic characteristics when placed on horizontal surfaces. The design comprises a cylindrical yoke with a bottom and a lid, housing a supermagnetostriction element that generates displacement based on magnetic field variations. Additionally, the speaker includes a coil that surrounds the element, a vibration rod that transmits displacement, and a rubbery elastic body that enhances the overall function, ensuring that sound is effectively transmitted to surrounding environments.
Career Highlights
Hirofumi Onohara has had a noteworthy career, working for prominent companies including Foster Electric Company, Limited, and Kabushiki Kaisha Toyota Jidoshokki. His tenure at these established firms has allowed him to refine his expertise in audio technologies and contribute to groundbreaking products.
Collaborations
Throughout his career, Onohara has collaborated with esteemed colleagues such as Yasushi Iimori and Yoshiharu Kumura. These partnerships have fostered an environment of creativity and innovation, enabling the development of impressive audio solutions.
Conclusion
Hirofumi Onohara stands out as a key figure in the realm of vehicle audio technology and continues to push the boundaries with his inventive designs. His patents not only enhance the auditory experience in vehicles but also showcase the advanced engineering behind modern sound systems. As technology progresses, Onohara’s contributions will likely play a significant role in shaping the future of automotive audio innovation.