Location History:
- Kawagoe, JP (1993)
- Saitama, JP (1994)
Company Filing History:
Years Active: 1993-1994
Title: Tohru Kageyama: Innovator in Volume Control and Heat Sink Technology
Introduction
Tohru Kageyama is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of electronics, particularly in volume control apparatus and heat sink technology. With a total of 2 patents to his name, Kageyama's innovations have enhanced the functionality and efficiency of electronic devices.
Latest Patents
Kageyama's latest patents include a volume control apparatus that produces reduced noise and distortion. This invention utilizes semiconductor resistors and switches to minimize distortion and noise in attenuation signals. The apparatus features a first semiconductor voltage dividing circuit that successively attenuates an input signal, along with a first semiconductor switch circuit that controls the supply of the attenuated signals. Additionally, it includes a phase inversion circuit, a second semiconductor voltage dividing circuit, and a volume control circuit that manages the operation of the semiconductor switch circuits based on a control signal.
Another significant patent is the heat sink/circuit board assembly, which allows for the repair or inspection of circuit components without compromising the heat-radiating effect. This innovative design includes a sub-heat sink that protrudes from the circuit board, enabling maintenance while maintaining optimal thermal performance.
Career Highlights
Tohru Kageyama is currently employed at Pioneer Electronic Corporation, where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the company's product offerings and enhancing user experience through improved electronic designs.
Collaborations
Kageyama has collaborated with notable coworkers such as Shinichi Ogura and Hiroo Adachi. Their combined expertise has contributed to the successful development of innovative solutions in the electronics industry.
Conclusion
Tohru Kageyama's contributions to volume control and heat sink technology exemplify his commitment to innovation in electronics. His patents reflect a deep understanding of engineering principles and a dedication to improving electronic device performance.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.