Company Filing History:
3 out of 3,781 
1 out of 7,529 
Years Active: 2007-2011
Title: Takanobu Ambo: Innovator in Semiconductor Technology
Introduction
Takanobu Ambo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on improving the performance and responsiveness of integrated circuit devices.
Latest Patents
One of Ambo's latest patents involves a semiconductor integrated circuit device designed for an analog front-end (AFE) that includes a CDS amplifier. This invention addresses the issue of excessive signal input to the CDS amplifier, providing a technique to prevent the deterioration of its response characteristics. By detecting excessive signal input, the CDS amplifier can be reset, ensuring that no abnormalities occur in its transient response. This is achieved through a comparator that monitors input signals and a reset circuit that stabilizes the amplifier's input terminals.
Another notable patent pertains to a semiconductor integrated circuit device suitable for camera preprocessing. This invention features a D/A converter circuit that generates feedback signals to compensate for black level variations. It utilizes first-conductivity-type MOSFETs as current sources, which produce currents corresponding to digital signals. The design includes a differential amplifier circuit that generates a converted analog output voltage, enhancing the responsiveness of the device.
Career Highlights
Takanobu Ambo has worked with notable companies in the semiconductor industry, including Renesas Technology Corporation and Renesas Electronics Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in semiconductor design.
Collaborations
Ambo has collaborated with esteemed colleagues such as Toshio Mochizuki and Eiki Imaizumi. Their combined expertise has contributed to the advancement of semiconductor technologies and the successful development of various projects.
Conclusion
Takanobu Ambo's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative solutions continue to shape the future of integrated circuit devices.