Nagoya, Japan

Yasuo Houjo

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Houjo. Retrieved from https://idiyas.com/inventor/yasuo-houjo

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Yasuo Houjo: Innovator in Hydraulic Pressure Control Devices

Introduction

Yasuo Houjo is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of hydraulic pressure control devices, particularly in the automotive industry. His innovative work has led to the development of a patent that enhances the functionality of four-wheel drive systems.

Latest Patents

Yasuo Houjo holds a patent for a hydraulic pressure control device for a clutch that is designed to control drive. This device allows for the hydraulic pressure necessary to operate the two-wheel drive/four-wheel drive switchover clutch in part-time four-wheel drive systems or the central differential lock-up clutch in full-time four-wheel drive systems. The invention utilizes a combination of a pressure regulation valve and two switchover valves, enabling selection among several substantially different pressure levels. This innovation facilitates a quick transition between complete four-wheel operation and complete two-wheel operation, including intermediate half-clutched incomplete four-wheel operation.

Career Highlights

Yasuo Houjo is associated with Toyota Motor Corporation, a leading automotive manufacturer known for its commitment to innovation and quality. His work at Toyota has allowed him to contribute to advancements in vehicle technology, particularly in enhancing the performance and efficiency of four-wheel drive systems.

Collaborations

Throughout his career, Yasuo has collaborated with esteemed colleagues such as Nobuyuki Kato and Koujiro Kuramochi. These collaborations have fostered an environment of innovation and have led to the successful development of various automotive technologies.

Conclusion

Yasuo Houjo's contributions to hydraulic pressure control devices have made a significant impact on the automotive industry. His innovative patent reflects his dedication to improving vehicle performance and functionality. His work continues to influence advancements in automotive technology.

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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