Hitachi, Japan

Kouji Kawamoto

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Engineering Co., Ltd., Hitachi, Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Kawamoto. Retrieved from https://idiyas.com/inventor/kouji-kawamoto-2ww7oh9d

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Kouji Kawamoto: Innovator in Capacitive Load Driving Technology

Introduction

Kouji Kawamoto is a notable inventor based in Hitachi, Japan. He is recognized for his contributions to the field of electrical engineering, particularly in the development of capacitive load driving apparatuses. His innovative work has led to the filing of a patent that showcases his expertise and creativity in this technical domain.

Latest Patents

Kawamoto holds a patent for a capacitive load driving apparatus. This invention features a plurality of first switching elements connected between parallel loads and a first power source terminal, which facilitates the switching of currents that charge the loads. Additionally, the apparatus includes bipolar transistors that discharge the charges stored in the loads, along with second switching elements that control the base currents supplied to the bipolar transistors. A logic circuit is also integrated to provide driving signals that selectively turn off one or all of the second switching elements based on input signals.

Career Highlights

Throughout his career, Kouji Kawamoto has worked with prominent companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute significantly to advancements in technology.

Collaborations

Kawamoto has collaborated with notable colleagues, including Mitsuhiko Okutsu and Tadaaki Kariya. These partnerships have likely enriched his work and fostered innovation in his projects.

Conclusion

Kouji Kawamoto's contributions to capacitive load driving technology exemplify his innovative spirit and technical expertise. His patent reflects a significant advancement in the field, showcasing his ability to solve complex engineering challenges.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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