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For the Inventor, By the Inventor

Osaka, Japan

Yosihito Dei

This inventor holds 3 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yosihito Dei. Retrieved from https://idiyas.com/inventor/yosihito-dei

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 3

Forward Citations = 38(Granted Patents)


Company Filing History:

goldMedal3 out of 2,902 
 
Kubota Corporation
 patents

Years Active: 1990

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3 patents (USPTO):Explore Patents
1. 4962636 - Mower (1990-10-16),
2. 4941863 - Stepless speed change mechanism in belt transmission device (1990-07-17),
3. 4934989 - Belt transmission (1990-06-19),

Title: Yosihito Dei: Innovator in Mower and Transmission Technologies

Introduction

Yosihito Dei is a notable inventor based in Osaka, Japan. He has made significant contributions to the fields of mower technology and belt transmission systems. With a total of 3 patents, his innovations reflect a commitment to enhancing efficiency and functionality in mechanical devices.

Latest Patents

One of his latest patents is a mower that features a pair of link mechanisms for mounting a cutter unit on the side of the mower body in a suspended form. This design allows for improved maneuverability and ease of use. Each link mechanism includes a pair of lifting links that are pivotably connected to the mower body, enabling the cutter unit to be lifted and lowered effectively.

Another significant invention is a stepless speed change mechanism in a belt transmission device. This mechanism comprises a first belt and a second belt that transmit rotation between pulleys. The design includes grooves that gradually decrease in width, allowing for a smooth and adjustable speed change. The innovative partition between the grooves can move axially, which varies the pitch diameter and enhances the overall performance of the transmission system.

Career Highlights

Yosihito Dei has worked with prominent companies such as Kubota Corporation and Kubots, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in agricultural and mechanical technologies.

Collaborations

Throughout his career, Yosihito has collaborated with talented individuals, including Keiichi Sampei and Kazuo Furukawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Yosihito Dei's contributions to mower and transmission technologies demonstrate his innovative spirit and dedication to improving mechanical systems. His patents reflect a deep understanding of engineering principles and a commitment to enhancing user experience.

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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