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For the Inventor, By the Inventor

Miaoli, Taiwan

Ting Cheng Co., Ltd.

Calculating rank
USPTO Granted Patents = 16

% Expired Patents = 18.8

Forward Citations = 212

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4 inventors (with patents filed for the assignee):

goldMedal Lien-Ching Lu (11 out of 15 patents)

silverMedal Lien Ching Lu (3 out of 3 patents)

bronzeMedal Lieh Ching Lu (1 out of 1 patent)

4.  Line-Ching Lu (1 out of 1 patent)


16 patents:

1. D504773 - Suitcase handle (2005-05-10),
2. 6530459 - Handle structure for adjusting direction (2003-03-11),
3. 6508344 - Handle structure for turning and adjusting direction (2003-01-21),
4. 6390259 - Wheeled luggage with expandable body (2002-05-21),
5. 6305513 - Mechanism for supporting expandable pouch of luggage (2001-10-23),
6. 6226834 - Handle structure for a luggage (2001-05-08),
7. D432895 - Handle for a suitcase (2000-10-31),
8. D432894 - Handle for a suitcase (2000-10-31),
9. D432893 - Handle for a suitcase (2000-10-31),
10. 6119309 - Handle structure of a suitcase (2000-09-19),
11. D422879 - Handle for a suitcase (2000-04-18),
12. 6026542 - Retractable handle device (2000-02-22),
13. 5970579 - Handle assembly for a wheeled luggage case (1999-10-26),
14. 5924169 - Suitcase handle device (1999-07-20),
15. 5781965 - Extensible handle device (1998-07-21),
Company Overview
Ting Cheng Co., Ltd. is a prominent player in the manufacturing sector, specializing in precision components and assemblies. The company focuses on delivering high-quality products tailored for various industries, including electronics and automotive. With a commitment to innovation, Ting Cheng invests in advanced technologies and research to enhance its manufacturing processes and product offerings. Based in Miaoli, Taiwan, the company leverages its geographic advantages to serve both local and international markets effectively.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#10 in Miaoli

#998 in Taiwan

#37,887 in the World

Miaoli, TW
Miaoli, Taiwan

Ting Cheng Co., Ltd.

Forward Citations = 212

4 inventors:

goldMedal Lien-Ching Lu (11 out of 15 patents)

silverMedal Lien Ching Lu (3 out of 3 patents)

bronzeMedal Lieh Ching Lu (1 out of 1 patent)

4.  Line-Ching Lu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ting Cheng Co., Ltd.. Retrieved from https://idiyas.com/company/ting-cheng-company

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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