Sakai, Japan

Hiroyuki Tada

This inventor holds 19 USPTO granted patents and 1 published patent application and 7 EPO patents, primarily in Agricultural Machinery. Top assignees: Kubota Corporation, Daikin Industries, Ltd.. Active years: 2004-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Tada. Retrieved from https://idiyas.com/inventor/hiroyuki-tada-51pyd0td

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 71(Granted Patents)


Location History:

  • Sakai, JP (2004 - 2020)
  • Osaka, JP (2015 - 2021)

Company Filing History:


Years Active: 2004-2021

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Areas of Expertise:
Work Vehicle
Lawn Mower
Grass Collector
Diesel Engine
ROPS
Power Transmission
Fill Detection
Indoor Unit
Swing Mechanism
Self-Propelled
Fuel System
Temperature Detection
19 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Tada: A Visionary Inventor from Sakai, Japan

Introduction: Hiroyuki Tada, located in Sakai, Japan, is a prolific inventor with an impressive portfolio of 19 patents. His inventions span various fields, showcasing his ability to combine creativity with practical engineering solutions.

Latest Patents: Among his latest innovations is a work vehicle featuring a Roll-Over Protection Structure (ROPS). This work vehicle is designed with a vehicle body frame and supports a driver’s seat above it. The innovative ROPS includes a pair of lower portions fixed to the frame and an upper portion that can pivot between vertical and horizontal positions, enhancing safety for operators in various terrains. The system also features an actuator unit and operational mechanism that allows the driver to control the ROPS effectively.

Another significant patent of Tada's is for an air-conditioner indoor unit designed to prevent accidental damage during maintenance. He developed communication pipes that regulate the detachment of a refrigerant gas sensor, thus safeguarding it when service technicians access the indoor unit. This improvement reflects Tada's commitment to enhancing both functionality and safety in everyday appliances.

Career Highlights: Hiroyuki Tada has made significant contributions while working with renowned companies such as Kubota Corporation and Daikin Industries, Ltd. His professional experience at these industry leaders has shaped his innovative approach to engineering and design.

Collaborations: Throughout his career, Tada has collaborated with notable colleagues, including Akira Minoura and Takeshi Komorida. These partnerships have enriched his work, leading to advancements that benefit various industries.

Conclusion: Hiroyuki Tada's contributions to innovation, through his patents and collaborations, mark him as a distinguished figure in the field of invention. His work continues to influence the development of safer and more efficient machinery and technology, further solidifying his legacy as a dedicated inventor from Sakai, Japan.

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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