Location History:
- Nakai-machi, JP (2009)
- Yokohama, JP (2013)
Company Filing History:
2 out of 2,253 
1 out of 1 
1 out of 6 Years Active: 2009-2013
Title: Ryozo Yoshino: Innovator in D/A Conversion Technology
Introduction
Ryozo Yoshino is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of digital-to-analog (D/A) conversion technology. With a total of 2 patents, his work has advanced the capabilities of electronic systems.
Latest Patents
Yoshino's latest patents include a D/A conversion device and an electron beam exposure system utilizing the same technology. The D/A conversion device features a current output type D/A converter and a high-speed operational amplifier that operates at low voltage. This configuration generates a voltage corresponding to the output current from the D/A converter. Additionally, the device incorporates a buffer amplifier connected to the output terminal of the high-speed operational amplifier, which operates at a high voltage. The design also includes positive and negative floating power supplies that are separated from the main power supply system, providing the necessary power for the D/A converter and the operational amplifier.
Another significant patent involves a D/A conversion device and method, which includes a first D/A conversion circuit that receives digital data and outputs an electric signal. A second D/A conversion circuit receives a correction code for the digital data, allowing for the correction of the electric output signal. This innovative approach enhances the accuracy and reliability of D/A conversion processes.
Career Highlights
Throughout his career, Ryozo Yoshino has worked with prominent companies such as Advantest Corporation and Hitachi Information & Telecommunication Engineering, Ltd. His experience in these organizations has contributed to his expertise in electronic engineering and innovation.
Collaborations
Yoshino has collaborated with notable professionals in his field, including Takamasa Sato and Atsushi Higashino. These collaborations have likely fostered an environment of creativity and innovation, leading to advancements in technology.
Conclusion
Ryozo Yoshino's contributions to D/A conversion technology demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of electronic systems and their applications. Through his work, he continues to influence the field and inspire future advancements.
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.