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Prodisc Technology Inc.

USPTO Granted Patents = 24

% Expired Patents = 83.3

Trademarks = 1

Forward Citations = 92

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35 inventors (with patents filed for the assignee):

Chih-Neng Chang (11 out of 14 patents)

Ke-Shu Chin (9 out of 10 patents)

An-Hwa Yu (9 out of 10 patents)

4. Kuang-Hua Chang (5 out of 6 patents)

5. Chih-Huang Wang (4 out of 4 patents)

6. Yin-Tai Keng (3 out of 4 patents)

7. Ta-Kun Kung (3 out of 3 patents)

8. Jui Hung Yen (3 out of 3 patents)

9. Li-Teng Keng (2 out of 2 patents)

10. Yen-Chun Chou (2 out of 2 patents)

11. Nai-Yueh Liang (2 out of 5 patents)

12. Jui-Hsin Lin (2 out of 2 patents)

13. Shih-En Chen (2 out of 2 patents)

14. Wen Hu Wang (2 out of 2 patents)

15. Kuo-Ching Hsieh (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 7400450 - Light-splitting device (2008-07-15),

2. 7390548 - Optical information storage medium (2008-06-24),

3. 7386215 - Projection system and light tunnel thereof (2008-06-10),

4. 7375884 - Rear projection screen and optical device thereof (2008-05-20),

5. 7367694 - Projector and lamp housing thereof (2008-05-06),

6. 7287863 - Light tunnel with gradient filter layer (2007-10-30),

7. 7218464 - Aligning-assembling method for color wheel (2007-05-15),

8. 7210821 - Light-splitting device (2007-05-01),

9. 7163730 - Optical information storage medium and method for manufacturing the same (2007-01-16),

10. 7125124 - Projection system (2006-10-24),

11. 7083882 - Coating method for a color filter and aligning-assembling method by using the same (2006-08-01),

12. 7064909 - Image pickup lens assembly with a filter lens (2006-06-20),

13. 7061701 - Color wheel (2006-06-13),

14. 6898030 - Camera lens assembly (2005-05-24),

15. 6896376 - Color wheel and motor for the same (2005-05-24),

Prodisc Technology Inc. is a leading manufacturer based in Taipei, Taiwan, specializing in optical storage media and related technologies. The company focuses on the development and production of high-quality optical discs, including CD, DVD, and Blu-ray formats, catering to various industries such as entertainment, data storage, and software distribution. Prodisc is committed to innovation and quality, leveraging advanced manufacturing processes to meet the evolving needs of its global clientele.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

24 Patents

#160 in Taipei

#710 in Taiwan

#26,595 in the World

Prodisc Technology Inc.

Forward Citations = 92

35 inventors:

Chih-Neng Chang (11 out of 14 patents)

Ke-Shu Chin (9 out of 10 patents)

An-Hwa Yu (9 out of 10 patents)

4. Kuang-Hua Chang (5 out of 6 patents)

5. Chih-Huang Wang (4 out of 4 patents)

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