Sakai, Japan

Tadao Adachi

This inventor holds 2 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1979-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Adachi. Retrieved from https://idiyas.com/inventor/tadao-adachi

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 = 3.1

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1979-1992

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2 patents (USPTO):Explore Patents

Title: Tadao Adachi: Innovator in Work Vehicle Technology

Introduction

Tadao Adachi is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of work vehicle technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of Tadao Adachi's latest patents is a transmission that comprises a change speed mechanism and a differential housed in a transmission case. The change speed mechanism includes drive gears mounted on a transmission shaft, and driven gears meshed with the drive gears. The differential features a differential case with elongated axle-bearing bosses extending to the inside walls of the transmission case. The driven gears are mounted on one of the elongated bosses to be rotatable therewith. Another significant patent is for a work vehicle equipped with a hydraulic circuit for a swivel motor and work assembly. This work vehicle has a work arm assembly mounted for horizontal oscillation on a swivel platform. The arm assembly and the swivel platform are actuated by separate hydraulic actuators, which are connected in parallel to a control valve via a circuit selection valve. This arrangement allows both the swivel platform and the arm assembly to move in the same direction by operating the control valve.

Career Highlights

Tadao Adachi is associated with Kubota Corporation, a leading company in the agricultural and construction machinery sector. His work at Kubota has allowed him to develop innovative solutions that enhance the functionality and efficiency of work vehicles.

Collaborations

Throughout his career, Tadao Adachi has collaborated with talented individuals such as Akio Matsui and Kouji Fujiwara. These collaborations have contributed to the advancement of technology in the work vehicle industry.

Conclusion

Tadao Adachi's contributions to work vehicle technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry positively.

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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