Location History:
- Itami, JP (1997 - 2001)
- Tokyo, JP (1998 - 2006)
Company Filing History:
13 out of 21,351 
1 out of 776 
1 out of 230 Years Active: 1997-2006
Title: Takanobu Takeuchi: Innovator in Microphone Technology
Introduction
Takanobu Takeuchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of microphone technology, holding a total of 13 patents. His innovative designs have advanced the functionality and efficiency of microphone units.
Latest Patents
One of Takeuchi's latest patents is a microphone unit designed to suppress sensitivity reduction caused by parasitic capacitance. This invention utilizes an operational amplifier to ensure that the output signal maintains the same phase as the input signal while being amplified. By connecting the output signal of the operational amplifier to a parasitic capacitor, the microphone unit effectively increases the voltage across the electret capacitor, thereby enhancing its sensitivity. Another notable invention is the semiconductor electret capacitor microphone, which features a vibration membrane, a semiconductor chip with an integrated electronic circuit, and a fixed electrode. This design allows for improved sound capture and performance.
Career Highlights
Throughout his career, Takanobu Takeuchi has worked with notable companies such as Mitsubishi Electric Corporation and Hosiden Corporation. His experience in these organizations has contributed to his expertise in developing advanced microphone technologies.
Collaborations
Takeuchi has collaborated with several talented individuals in the field, including Motomi Ichihashi and Tateki Mitani. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Takanobu Takeuchi's contributions to microphone technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence the development of advanced audio equipment.