Company Filing History:
Years Active: 2002-2003
Title: **Toru Kumagai: Innovator in Vibration Actuator Technology**
Introduction
Toru Kumagai, based in Shiroishi, Japan, stands out as a notable inventor with a focus on vibration actuator technology. With two patents to his name, he has made significant contributions to the field, demonstrating innovation and creativity in his designs.
Latest Patents
Kumagai's latest patents include a sophisticated vibration actuator that operates in three distinct vibration modes. The first mode allows the magnetic circuit device to primarily vibrate, transmitting vibrations through a vibration plate to the outside. The second mode enables the coil to vibrate, creating a buzzer sound through the vibration plate. Finally, the third mode allows both the magnetic circuit device and the coil to vibrate, producing sound that corresponds to speech.
His second patent focuses on a vibration actuator featuring a magnetic circuit that is elastically supported by a spiral damper, enhancing compliance. This innovation includes an electromechanical transducer, support frame, and a unique damper design that incorporates spiral spring portions. The damper's construction allows for flexible dampening of the vibration, contributing to the actuator's effectiveness.
Career Highlights
Kumagai has had an impressive career, working with renowned companies such as Tokin Corporation and NEC Tokin Corporation. His expertise in vibration technology and keen understanding of mechanical designs have made him an asset in these organizations, where he has implemented innovative solutions in product development.
Collaborations
Throughout his career, Kumagai has collaborated with esteemed colleagues including Makoto Teshima and Koji Uchida. Their joint efforts have further propelled his inventions and innovations in the vibration actuator domain.
Conclusion
Toru Kumagai exemplifies the spirit of innovation through his advanced vibration actuator patents. His work continues to impact the field, showcasing how inventive thinking can lead to practical solutions. As technology continues to evolve, his contributions are sure to inspire future inventors and engineers in the realm of vibration technology.