Katano, Japan

Denzaburo Harada

This inventor holds 5 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1980-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Denzaburo Harada. Retrieved from https://idiyas.com/inventor/denzaburo-harada

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 = 1.6

ph-index = 3

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1980-1988

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5 patents (USPTO):Explore Patents

Title: Denzaburo Harada: Innovator in Vehicle Transmission Technology

Introduction

Denzaburo Harada is a notable inventor based in Katano, Japan. He has made significant contributions to the field of vehicle transmission technology, holding a total of 5 patents. His work has been instrumental in enhancing the efficiency and functionality of working vehicles.

Latest Patents

One of Harada's latest patents is a transmission for a working vehicle. This innovative design features a front frame and a rear frame that are interconnected to pivot relative to each other on a substantially vertical axis. The transmission is mounted alongside an engine on the rear frame. The casing of the transmission includes an upper case that houses the change speed portion and a lower case that contains the output portion. The upper case supports an input shaft connected to the engine, surrounded by a planetary change speed gear assembly. This assembly consists of an input gear mounted on the front portion of the input shaft and an output gear on the rear portion. The lower case supports an output shaft connected to the output gear, which includes a coupling device for connecting to a propeller shaft to drive the front wheels. The design ensures that the coupling device is positioned flush with or rearwardly of the front wall of the upper case.

Another significant patent is a power transmission control apparatus that features both a clutching function and a modulating function. This apparatus allows a vehicle equipped with it to make a sudden start after the clutch has been disengaged. The system includes a main change speed control valve, a backward and forward switch valve, a modulation valve, and an inching valve.

Career Highlights

Denzaburo Harada is currently employed at Kubota Corporation, where he continues to innovate in the field of vehicle technology. His work has been recognized for its practical applications and contributions to the industry.

Collaborations

Throughout his career, Harada has collaborated with notable colleagues, including Masaaki Kiritani and Mitsugu Kanai. These partnerships have fostered a creative environment that has led to the development of advanced technologies in vehicle transmission systems.

Conclusion

Denzaburo Harada's contributions to vehicle transmission technology exemplify his innovative spirit and dedication to improving vehicle performance. His patents reflect a deep understanding of engineering principles and a commitment to advancing the industry.

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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