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For the Inventor, By the Inventor

Sakai, Japan

Takashi Yoshii

This inventor holds 14 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1981-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Yoshii. Retrieved from https://idiyas.com/inventor/takashi-yoshii-brxo4x77

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 106(Granted Patents)


Company Filing History:

goldMedal14 out of 2,916 
 
Kubota Corporation
 patents

Years Active: 1981-2007

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14 patents (USPTO):Explore Patents
1. 7273341 - Tractor with a front loader and a backhoe attachable thereto (2007-09-25),
2. 6769860 - Tractor with a front loader and a backhoe attachable thereto (2004-08-03),
3. 6659209 - Tractor (2003-12-09),
4. 6460886 - Tractor (2002-10-08),
5. 6318485 - Tractor (2001-11-20),
6. D422606 - Garden tractor (2000-04-11),
7. 5024306 - Propelling drive control apparatus for working vehicle (1991-06-18),
8. 4881417 - Transmission system for vehicle (1989-11-21),
9. 4794807 - Tractor transmission (1989-01-03),
10. 4660673 - Control apparatus for vehicle (1987-04-28),
11. 4553624 - Front-wheel driving apparatus (1985-11-19),
12. 4462273 - Change-speed apparatus for a tractor (1984-07-31),
13. 4326597 - Agricultural tractor (1982-04-27),
14. 4274652 - Structure for attaching an implement to an offset-type tractor (1981-06-23),

Title: **Takashi Yoshii: Innovator in Tractor Design**

Introduction

Takashi Yoshii, an accomplished inventor based in Sakai, Japan, has made significant contributions to agricultural machinery through his innovative designs. With a commendable portfolio of 14 patents, Yoshii has established himself as a prominent figure in the field of engineering, particularly in tractor development.

Latest Patents

Among Yoshii's latest inventions is a groundbreaking tractor featuring a front loader and a backhoe that can be attached. This inventive tractor is designed with a vehicle frame comprising a pair of elongated frame members positioned longitudinally and interconnected by a cross member. The tractor is powered by an engine supported in the front region of the vehicle frame, with a rear axle unit that connects to the elongated frame members. It also incorporates a drive transmitting mechanism that efficiently transmits power from the engine to the rear axle unit. Additionally, both a front loader and a backhoe can be attached to the tractor, reinforced by a specially designed frame unit that enhances the vehicle's stability and durability.

Career Highlights

Takashi Yoshii has been a vital member of Kubota Corporation, a renowned leader in agricultural machinery. His work focuses on developing cutting-edge solutions that address the needs of modern farming, helping to optimize productivity and efficiency in the agricultural sector.

Collaborations

Throughout his career, Yoshii has collaborated with talented colleagues such as Masashi Osuga and Hiroshi Shimada. These partnerships have fostered an environment of innovation and creativity, enabling the development of advanced agricultural machinery solutions.

Conclusion

Takashi Yoshii's dedication to innovation in tractor design highlights the importance of engineering excellence in agriculture. His contributions, particularly through his latest patents, underscore his role as a key inventor in the advancement of agricultural technology, enhancing the capabilities of tractors and supporting the agricultural industry as a whole.

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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