For the Inventor, By the Inventor

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Chandler, AZ, United States of America

Ryobi Outdoor Products, Inc.

USPTO Granted Patents = 27

Forward Citations = 511

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17 inventors (with patents filed for the assignee):

Robert G Everts (11 out of 62 patents)

Ronald J Hoffman (5 out of 37 patents)

Michael Baker (5 out of 5 patents)

4. Harold J Coleman (5 out of 6 patents)

5. Naoki Kikuchi (3 out of 22 patents)

6. Kenneth M Brazell (2 out of 99 patents)

7. Lakhbir S Suchdev (2 out of 2 patents)

8. Rory B Bringhurst (2 out of 2 patents)

9. Katsumi Kurihara (1 out of 18 patents)

10. Shiro Kawamoto (1 out of 9 patents)

11. Harry Gene Rickard (1 out of 9 patents)

12. John Sheldon (1 out of 4 patents)

13. Yoichi Imgawa (1 out of 4 patents)

14. Harry Gene Richard (1 out of 3 patents)

15. Jens K Olsen (1 out of 3 patents)

Core Competencies:

Four-Stroke Engine

Power Tool

Vibration Isolator

Angle Gear Drive

Snow Thrower

Electric Blower

Camshaft Assembly

Trigger Retainer

Lawn Implement

Recoil Starter

Portable Power Tool

Cylinder Head Assembly

27 patents: Sort by Forward Citations

1. 6039020 - Multiple-position, operator-carried, four-stroke engine (2000-03-21),

2. 5950590 - Operator carried power tool having a four-cycle engine and an engine (1999-09-14),

3. 5738062 - Operator carried power tool having a four-cycle engine (1998-04-14),

4. 5647258 - Fence adjustment mechanism (1997-07-15),

5. 5603173 - Snow thrower (1997-02-18),

6. 5564374 - Cam carrier for an internal combustion engine (1996-10-15),

7. 5558057 - Operator carried power tool having a four-cycle engine (1996-09-24),

8. 5540291 - Switch actuator for a portable power tool (1996-07-30),

9. D366406 - Sander (1996-01-23),

10. 5483733 - Method of making an angle gear drive (1996-01-16),

11. 5463809 - Method of making a powdered metal camshaft assembly (1995-11-07),

12. 5447206 - Trigger retainer for a portable power tool (1995-09-05),

13. 5421292 - Cylinder head assembly (1995-06-06),

14. D358912 - Electric blower (1995-05-30),

15. 5394039 - Electric motor mount having vibration damping (1995-02-28),

Company Overview

Ryobi Outdoor Products, Inc. specializes in the development and manufacturing of outdoor power equipment, focusing on tools designed for gardening, landscaping, and lawn care. The company is known for its innovative battery technology and user-friendly designs, catering to both residential and professional markets. Based in Chandler, Arizona, Ryobi emphasizes sustainability and efficiency in its product offerings, contributing to the evolving landscape of outdoor maintenance solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#18 in Chandler, AZ

#155 in Arizona

#12,428 in US

#24,034 in the World

Chandler, AZ, United States of America

Ryobi Outdoor Products, Inc.

Forward Citations = 511

17 inventors:

Robert G Everts (11 out of 62 patents)

Ronald J Hoffman (5 out of 37 patents)

Michael Baker (5 out of 5 patents)

4. Harold J Coleman (5 out of 6 patents)

5. Naoki Kikuchi (3 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ryobi Outdoor Products, Inc.. Retrieved from https://idiyas.com/company/ryobi-outdoor-products

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

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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