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Taichung, Taiwan

Lea Way Hand Tool Corporation

USPTO Granted Patents = 27

% Expired Patents = 14.8

Forward Citations = 309

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8 inventors (with patents filed for the assignee):

Tom Tuanmu (10 out of 10 patents)

Yu-Cheng Lin (7 out of 11 patents)

Hsien Chung Tuan Mu (4 out of 4 patents)

4. Hsien-Chung TuanMu (3 out of 3 patents)

5. Sammy Tsai (2 out of 2 patents)

6. Hsien-Chung Tuan Mu (2 out of 3 patents)

7. Hsien-Chung Tuan-Mu (1 out of 17 patents)

8. Hui-Chen Chang (1 out of 1 patent)

Core Competencies:

Reversible Ratcheting Wrench

Gear Wrench

Joint Wrench

Two-Way Wrench

Ratchet Mechanism

Adjustable Head

Joint Lock Mechanism

Tool Assembly

Socket Connecting Structure

Articulated Wrench

Force Application

Driving Member

27 patents: Sort by Forward Citations

1. D559054 - Reversible ratcheting wrench (2008-01-08),

2. D558006 - Gear of a wrench (2007-12-25),

3. D555995 - Joint wrench (2007-11-27),

4. D551924 - Gear of a wrench (2007-10-02),

5. D551042 - Two-way wrench (2007-09-18),

6. D550527 - Ratchet wrench (2007-09-11),

7. D547150 - Ratchet wrench (2007-07-24),

8. D545651 - Rachet wrench (2007-07-03),

9. D545154 - Ledge lock of joint wrench (2007-06-26),

10. 7210578 - Display unit for storing tool assembly (2007-05-01),

11. 7168346 - Hand tool having an adjustable head with a joint lock mechanism (2007-01-30),

12. 7165480 - Hand tool having positioning and locking joint (2007-01-23),

13. 7131356 - Hand tool having an adjustable head with joint lock mechanism (2006-11-07),

14. 7118406 - Socket connecting structure (2006-10-10),

15. 7093520 - Gear wrench allowing easy force application (2006-08-22),

Lea Way Hand Tool Corporation is a prominent manufacturer based in Taichung, Taiwan, specializing in the development and production of high-quality hand tools. The company focuses on innovation and precision engineering, catering to a diverse range of industries including automotive, construction, and woodworking. With a commitment to quality and performance, Lea Way Hand Tool Corporation leverages advanced manufacturing techniques to deliver reliable tools that meet the evolving needs of professionals and DIY enthusiasts alike.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

27 Patents

#64 in Taichung

#643 in Taiwan

#23,984 in the World

Taichung, Taiwan

Lea Way Hand Tool Corporation

Forward Citations = 309

8 inventors:

Tom Tuanmu (10 out of 10 patents)

Yu-Cheng Lin (7 out of 11 patents)

Hsien Chung Tuan Mu (4 out of 4 patents)

4. Hsien-Chung TuanMu (3 out of 3 patents)

5. Sammy Tsai (2 out of 2 patents)

Please report any incorrect information to [email protected]

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