Location History:
- Kawasakishi, JP (1987)
- Kawasaki, JP (1985 - 2013)
Company Filing History:
2 out of 2,916 
2 out of 52,730 
1 out of 544 
Years Active: 1985-2013
Title: The Innovations of Hideki Torizuka
Introduction
Hideki Torizuka is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of microwave technology, holding a total of 5 patents. His work primarily focuses on frequency conversion, which plays a crucial role in radar systems.
Latest Patents
One of Torizuka's latest patents is a microwave frequency converter designed for radar receivers. This innovative device prevents interference between the local oscillator frequency and the oscillation frequency of the magnetron in radar systems. It allows for the reception of signals from considerably short distances. The design includes a synchronized RF amplifier that adjusts its voltage in accordance with the magnetron's oscillation output. Additionally, the gate and drain voltages of a FET in the RF amplifier are switched off during specific times to enhance the performance of the microwave frequency converter. This mechanism effectively attenuates excessively large RF signals, preventing saturation and ensuring optimal functionality.
Another significant patent is a frequency converter that incorporates a mixer and a local oscillator. This device is equipped with a starter circuit that supplies a transient bias current to the mixer, ensuring the initiation of local oscillations. These advancements highlight Torizuka's commitment to improving radar technology.
Career Highlights
Throughout his career, Hideki Torizuka has worked with prominent companies such as Tokyo Shibaura Denki and Toshiba Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in microwave technology.
Collaborations
Torizuka has collaborated with esteemed colleagues, including Tomohide Soejima and Shigekazu Hori. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of advanced technologies.
Conclusion
Hideki Torizuka's contributions to microwave technology and frequency conversion have made a significant impact in the field. His innovative patents and collaborations with industry leaders underscore his role as a key figure in advancing radar technology.