Location History:
- Iruma, JP (1983)
- Atsugi, JP (1985)
Company Filing History:
Years Active: 1983-1985
Title: **Innovator Yukio Akazawa: Pioneering Integrated Circuit Technologies**
Introduction
Yukio Akazawa, an accomplished inventor based in Iruma, Japan, has made significant contributions to the field of integrated circuits. With three patents to his name, Akazawa's innovations have paved the way for advancements in electronics, particularly in high-frequency amplifier circuits and analog-to-digital conversion technology.
Latest Patents
Among his latest patents is a **monolithic integrated circuit device including AC negative feedback type**. This invention features an AC negative feedback circuit specifically designed for high-frequency amplifier circuits. The circuit includes a semiconductor impedance element connected to an external terminal on a substrate, along with variable control means for adjusting the amount of AC feedback. Notably, the semiconductor impedance element can utilize the junction capacitance of a diode under negative bias or the diffusion capacitance of transistors.
Additionally, Akazawa holds a patent for an **analog to digital converter**. This device leverages an LDAC and MDAC configuration, where the full scale of the LDAC is always larger than the quantized level of the MDAC. By comparing the analog output with a sampled input signal, the converter achieves high accuracy and improved conversion speed, all while being fabricated as a one-chip LSI through standard CMOS processing.
Career Highlights
Yukio Akazawa is currently affiliated with the **Nippon Telegraph and Telephone Public Corporation**, a renowned company known for its advancements in telecommunications. His work has primarily focused on enhancing the efficiency and performance of electronic devices through innovative circuit design and integration techniques.
Collaborations
Throughout his career, Akazawa has collaborated with notable coworkers, including **Yasuyuki Matsuya** and **Atsushi Iwata**. These partnerships have fostered an environment of innovation, contributing to the successful development and implementation of various high-tech solutions in the electronics sector.
Conclusion
Yukio Akazawa stands out as a key figure in the innovation of integrated circuits, with his patents reflecting a commitment to enhancing electronic technologies. His contributions not only demonstrate his technical expertise but also highlight his role in pushing the boundaries of modern electronics. As the industry continues to evolve, inventors like Akazawa will undoubtedly play a crucial role in shaping its future.