Kanagawa, Japan

Daping Liu

This inventor holds 2 USPTO granted patents. Top assignee: Nsk Corporation. Active years: 2003-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daping Liu. Retrieved from https://idiyas.com/inventor/daping-liu

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 119(Granted Patents)


Company Filing History:


Years Active: 2003-2006

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2 patents (USPTO):Explore Patents

Title: Daping Liu: Innovator in Continuously Variable Transmission Technology

Introduction

Daping Liu is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of continuously variable transmission technology. With a total of 2 patents to his name, Liu's work has advanced the efficiency and functionality of transmission systems.

Latest Patents

Liu's latest patents include innovations in continuously variable transmission systems. One of his patents describes a continuously variable transmission that features an input shaft, an output shaft, a toroidal type continuously variable transmission, and a planetary gear mechanism. This mechanism includes a sun gear, a ring gear, and a planetary gear. The design allows power to converge to two gears of the planetary gear mechanism, with a remaining gear coupled to the output shaft. A mode changeover device enables a transition between a low-speed mode and a high-speed mode during forward movement. This changeover is accomplished by connecting and disconnecting clutches, with a response time of 0.2 to 1 second.

Another patent focuses on a hydraulic type pressing device that maintains contact pressure between power rollers and input/output side disks. This innovation addresses abrupt changes in torque by adjusting the pressing force to match the maximum torque transmitted. This configuration minimizes the variation in transmission ratio, enhancing the driving experience by preventing discomfort.

Career Highlights

Daping Liu is currently employed at NSK Corporation, where he continues to develop innovative solutions in the field of transmission technology. His work has been instrumental in improving the performance and reliability of continuously variable transmissions.

Collaborations

Liu has collaborated with notable colleagues, including Sinji Miyata and Shinji Miyata, contributing to the advancement of their shared projects and innovations.

Conclusion

Daping Liu's contributions to continuously variable transmission technology reflect his dedication to innovation and engineering excellence. His patents demonstrate a commitment to enhancing vehicle performance and driver comfort. Liu's work continues to influence the automotive industry and drive advancements in transmission systems.

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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