Location History:
- Kanagawa, JP (2007 - 2009)
- Tokyo, JP (2011)
Company Filing History:
2 out of 5,290 
1 out of 21 
1 out of 164 Years Active: 2007-2011
Title: The Innovative Contributions of Yohtaro Umeda
Introduction: Yohtaro Umeda is an accomplished inventor based in Kanagawa, Japan, renowned for his significant contributions to the field of electronics through his innovative inventions. With a total of three patents to his name, Umeda's work has propelled advancements in electronic circuit design, particularly in amplifiers and driver circuits.
Latest Patents: Umeda's latest patents showcase his profound understanding of electronic systems. One of his notable inventions is the Transimpedance Amplifier, which introduces a gain switching determination circuit. This circuit effectively compares and determines a comparative input voltage using a first hysteresis characteristic, generating a gain switching signal to the transimpedance amplifier core circuits. This innovation allows for instantaneous gain switching determination, significantly improving response times for burst data signals.
Another prominent patent is his Driver Circuit, which comprises first and second three-terminal active elements linked in series, along with first and second delay units. This design enables precise signal amplification through the effective coordination of delays, enhancing overall circuit performance. The versatility of his designs highlights Umeda's ability to address complex electronic challenges.
Career Highlights: Umeda's career is marked by valuable experience at prominent companies such as Nippon Telegraph and Telephone Corporation and Nippon Telephone and Telegraph Corporation. His proficiency in electronic engineering, coupled with his hands-on experience in corporate environments, has honed his innovative abilities, allowing him to contribute meaningfully to the industry.
Collaborations: Throughout his career, Umeda has had the opportunity to collaborate with esteemed colleagues, notably Atsushi Kanda and Makoto Nakamura. These collaborations have facilitated the exchange of ideas and expertise, further fostering innovation in their respective fields.
Conclusion: Yohtaro Umeda exemplifies the spirit of innovation within the electronic engineering domain. His patents reflect a keen ability to solve practical problems in electronic circuit design, making significant contributions to technological advancements. As he continues to innovate, Umeda's work will undoubtedly inspire future generations of inventors and engineers.