Location History:
- Shizuoka-ken, JP (2014)
- Hachioji, JP (2014 - 2017)
- Yokohama, JP (2016 - 2018)
- Kanagawa, JP (1995 - 2022)
- Koshu, JP (2017 - 2023)
- Tokyo, JP (2013 - 2024)
- Tagata Shizuoka, JP (2019 - 2024)
- Osaka, JP (2020 - 2024)
Company Filing History:
28 out of 10,250 
14 out of 8,194 
10 out of 6,180 
Years Active: 1995-2025
Areas of Expertise:
Title: The Innovative Journey of Yuki Kawaguchi
Introduction
Yuki Kawaguchi, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the fields of power conversion and vibration damping. With an impressive portfolio of 12 patents, Kawaguchi has showcased his expertise in creating solutions that enhance efficiency and reduce vibration in various applications.
Latest Patents
Among his latest patents, Kawaguchi has developed a power conversion device and a press apparatus designed to prevent excessive current in a DC-link capacitor. This innovative power conversion device features a voltage-doubling rectifier circuit that operates in a voltage-doubling rectification mode. A current detector circuit plays a crucial role by monitoring the switching current and load current to ensure optimal performance.
Additionally, Kawaguchi has introduced a breakthrough vibration damping material intended for use in motor mounts. This material is composed of a gel made from the dehydration condensation reaction product of silicone oil and boric acid, with a specific ratio that enhances its damping capabilities.
Career Highlights
Throughout his career, Yuki Kawaguchi has collaborated with prominent companies, including Hitachi, Ltd. and Sony Corporation. His experience in these influential organizations has allowed him to refine his innovative skills and contribute to cutting-edge technologies.
Collaborations
Kawaguchi has also had the privilege of working alongside talented colleagues, including Takae Shimada and Yasuaki Norimatsu. These collaborations have greatly enriched his perspectives and fostered a vibrant exchange of ideas, driving further innovations in his work.
Conclusion
Yuki Kawaguchi's remarkable journey as an inventor embodies the spirit of innovation. His contributions to the fields of power conversion and vibration damping continue to influence advancements in technology. With each patent, Kawaguchi not only showcases his creativity but also his commitment to developing practical solutions that address complex challenges.