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Philips & Lite-on Digital Solutions Corporation

USPTO Granted Patents = 28

% Expired Patents = 82.1

EPO Patents = 1

Trademarks = 1

Forward Citations = 20

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53 inventors (with patents filed for the assignee):

Chun-Lung Ho (5 out of 29 patents)

Wen-Hong Wang (4 out of 5 patents)

In-Shuen Lee (3 out of 14 patents)

4. Cheng-Ho Tien (3 out of 3 patents)

5. Marcel Rieck (3 out of 3 patents)

6. Ta-Hsiang Wang (2 out of 9 patents)

7. Chih-Ming Yang (2 out of 5 patents)

8. Horst Rumpf (2 out of 3 patents)

9. Yung-Han Wu (2 out of 6 patents)

10. Kun-Ta Ho (2 out of 3 patents)

11. Shih-Lin Yeh (2 out of 12 patents)

12. Martin Leist (2 out of 2 patents)

13. Chun-Hung Chen (1 out of 86 patents)

14. Chia-Chun Wei (1 out of 2 patents)

15. Yen-Chun Lin (1 out of 19 patents)

Core Competencies:

Optical Disc Drive

Spindle Motor

Control Method

DVD Navigation

Data Carrier Plate

Tracking Control

Multimedia Storage

Slot-in Mechanism

Tilt Adjusting Device

Focusing Control

Disk Loading Device

Electronic Shock Protection

28 patents: Sort by Forward Citations

1. 8589965 - Method for stopping spindle motor of optical disc drive (2013-11-19),

2. 8578402 - Front panel of optical disc drive (2013-11-05),

3. 8555299 - Optical disc drive and tray driving device thereof (2013-10-08),

4. 8537648 - Position control method of optical pickup head of optical disc drive and system thereof (2013-09-17),

5. 8516512 - Integrated guide rail member for the tilt adjusting device for optical pickup head (2013-08-20),

6. 8490121 - Slim-type optical disc drive (2013-07-16),

7. 8479223 - Control method of spindle motor (2013-07-02),

8. 8381132 - DVD menu navigation with reduced input button count (2013-02-19),

9. 8370867 - Optical disk drive (2013-02-05),

10. 8341656 - Slim optical disc drive with flexible flat cable assembly (2012-12-25),

11. 8341655 - Slot-in optical disc drive with disc loading/unloading mechanism (2012-12-25),

12. 8261298 - Disk loading device of slot-in optical disk drive (2012-09-04),

13. 8196157 - Optical disk drive with protection design against broken disk (2012-06-05),

14. 8164914 - Circuit board fixing device (2012-04-24),

15. 8086798 - Multimedia storage device (2011-12-27),

Company Overview

Philips & Lite-on Digital Solutions Corporation, headquartered in Taipei, specializes in the development and manufacturing of advanced digital solutions across various sectors. The company focuses on innovative technologies in areas such as optical storage, cloud computing, and consumer electronics. With a commitment to enhancing digital experiences, it leverages research and development to deliver high-quality products that meet the evolving needs of global markets, particularly in Asia and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

28 Patents

#132 in Taipei

#623 in Taiwan

#23,299 in the World

Philips & Lite-on Digital Solutions Corporation

Forward Citations = 20

53 inventors:

Chun-Lung Ho (5 out of 29 patents)

Wen-Hong Wang (4 out of 5 patents)

In-Shuen Lee (3 out of 14 patents)

4. Cheng-Ho Tien (3 out of 3 patents)

5. Marcel Rieck (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Philips & Lite-on Digital Solutions Corporation. Retrieved from https://idiyas.com/company/philips-and-lite-on-digital-solutions

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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