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For the Inventor, By the Inventor

Chandler, AZ, United States of America

Mtd Southwest, Inc.


USPTO Granted Patents = 11

% Expired Patents = 18.2

Forward Citations = 89

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14 inventors (with patents filed for the assignee):

goldMedal Shiro Kawamoto (6 out of 9 patents)

silverMedal Katsumi Kurihara (5 out of 18 patents)

bronzeMedal John Sheldon (3 out of 4 patents)

4.  Yoichi Imgawa (3 out of 4 patents)

5.  James M Grayson (3 out of 4 patents)

6.  Robert G Everts (3 out of 62 patents)

7.  Harry Gene Richard (2 out of 3 patents)

8.  Jeffrey M Dils (1 out of 13 patents)

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

10.  Mark Jankowski (1 out of 3 patents)

11.  Michael Billetdeaux (1 out of 2 patents)

12.  Kenneth M Brazell (1 out of 99 patents)

13.  Raul F Vidal (1 out of 1 patent)

14.  Clyde J Smith (1 out of 2 patents)


11 patents:

1. 6945215 - Multiple-position, operator-carried, four-stroke engine (2005-09-20),
2. 6863043 - Multi-position, operator-carried, four-cycle engine (2005-03-08),
3. 6772726 - Multiple-position, operator-carried, four-stroke engine (2004-08-10),
4. 6666184 - Multi-position, operator-carried, four-cycle engine (2003-12-23),
5. 6622688 - Operator carried power tool having a four-cycle engine and an engine lubrication method (2003-09-23),
6. 6401678 - Small four-cycle engine having compression relief to facilitate cranking (2002-06-11),
7. 6374796 - Multiple-position, operator-carried, four-stroke engine (2002-04-23),
8. 6363904 - Multi-position, operator-carried, four-cycle engine (2002-04-02),
9. 6345489 - Wheeled lawn care unit (2002-02-12),
10. 6305909 - Engine arrangement for blowers and blower/vacuums (2001-10-23),
11. 6227160 - Operator carried power tool having a four-cycle engine and engine lubrication method (2001-05-08),
Company Overview
MTD Southwest, Inc. is a technology-driven company based in Chandler, Arizona, specializing in advanced manufacturing solutions and engineering services. The organization focuses on providing innovative products and services across various sectors, including aerospace, defense, and industrial applications. MTD Southwest is committed to leveraging cutting-edge technologies to enhance operational efficiency and deliver high-quality solutions tailored to meet the evolving needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#33 in Chandler, AZ

#342 in Arizona

#27,490 in US

#51,714 in the World

Chandler, AZ (US)
Chandler, AZ, United States of America

Mtd Southwest, Inc.

Forward Citations = 89

14 inventors:

goldMedal Shiro Kawamoto (6 out of 9 patents)

silverMedal Katsumi Kurihara (5 out of 18 patents)

bronzeMedal John Sheldon (3 out of 4 patents)

4.  Yoichi Imgawa (3 out of 4 patents)

5.  James M Grayson (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mtd Southwest, Inc.. Retrieved from https://idiyas.com/company/mtd-southwest

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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