Kariya, Japan

Hiroyuki Kado

This inventor holds 19 USPTO granted patents, primarily in Rotary Actuators. Top assignees: Denso Corporation, Aisan Kogyo Kabushiki Kaisha, Toyota Boshoku Kabushiki Kaisha. Active years: 2006-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Kado. Retrieved from https://idiyas.com/inventor/hiroyuki-kado-ibb3w6re

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

Calculating rank

% Patents Active = 89.5

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Oobu, JP (2006)
  • Obu, JP (2006 - 2010)
  • Kariya, JP (2009 - 2023)

Company Filing History:


Years Active: 2006-2023

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Areas of Expertise:
Rotary Actuator
Board Fixing Member
Resin Molded Body
Connection Terminals
Air Intake Apparatus
Butterfly Valve
Throttle Control
Intake Control Device
Flow Straightening
Internal Combustion Engine
Performance Enhancement
Efficiency Improvement
19 patents (USPTO):Explore Patents

Title: The Innovative Journey of Hiroyuki Kado

Introduction: Hiroyuki Kado, based in Kariya, Japan, is a prominent inventor with a remarkable portfolio of 19 patents to his name. His contributions to the field of automotive technology, particularly in shift-by-wire systems, have positioned him as a key figure in innovation within the industry.

Latest Patents: Among his latest inventions are two noteworthy patents related to rotary actuators. The first patent describes a rotary actuator specifically designed for use in a shift-by-wire system. It features a speed reducer consisting of a ring gear and a sun gear, which effectively reduces the rotational speed of the motor. An output shaft transmits the motor's rotation at the reduced speed. Unique to this design is a regulating pin, separate from the fixing member, which provides the necessary strength to withstand maximum torque reactions while allowing the sun gear to rotate around its axis.

The second patent further elaborates on the rotary actuator with a board fixing member that meshes with a case fastening member. This actuator is also intended for shift-by-wire systems in vehicles and includes a motor, controller, upper and lower cases, and a case fastening member made from metal. The innovative approach of using a resin upper case to house the controller enhances functionality and durability.

Career Highlights: Hiroyuki has made significant strides in his career, having worked for industry leaders such as Denso Corporation and Aisan Kogyo Kabushiki Kaisha. His expertise in automotive systems and engineering principles has propelled his inventions and garnered recognition in the field.

Collaborations: Throughout his career, Hiroyuki has collaborated with esteemed colleagues, including Mikine Kume and Hiroshi Tanimura. Their combined efforts have fostered innovation and excellence in the development of advanced automotive technologies.

Conclusion: Hiroyuki Kado's inventive spirit and dedication to advancing automotive technology are evident through his substantial patent portfolio. His work continues to influence the industry, paving the way for future innovations in vehicle systems and enhancing overall automotive performance.

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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