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Contour Optik Inc.

USPTO Granted Patents = 34

% Expired Patents = 55.9

Forward Citations = 544

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18 inventors (with patents filed for the assignee):

David Yinkai Chao (31 out of 115 patents)

Chien-Ho Lin (5 out of 5 patents)

Richard Chao (3 out of 9 patents)

4. Yung-Chang Chang (2 out of 2 patents)

5. Yu-Shun Lee (2 out of 2 patents)

6. Pin Chou (2 out of 2 patents)

7. Chien Ho Lin (1 out of 1 patent)

8. Hsien Tsung Chang (1 out of 1 patent)

9. Wei-Lien Huang (1 out of 1 patent)

10. Chang-Yung Chang (1 out of 1 patent)

11. Ruey-Hong Hung (1 out of 1 patent)

12. Hsien-Tsung Chang (1 out of 1 patent)

13. Ming Che Wu (1 out of 1 patent)

14. Yeou-Soon Lee (1 out of 1 patent)

15. George W Chao (1 out of 1 patent)

34 patents: Sort by Forward Citations

1. 12504646 - Eyeglasses having temples bendable to convert between two different curved states (2025-12-23),

2. 11163179 - Eyewear and temple unit for eyewear (2021-11-02),

3. 9555233 - Electrode (2017-01-31),

4. 9433773 - Cranial electrotherapy stimulation device (2016-09-06),

5. 7681721 - System for selecting eyeglasses (2010-03-23),

6. 7490717 - System for selecting eyeglasses (2009-02-17),

7. RE40108 - Eyeglasses convertible into an eyeglass case (2008-02-25),

8. 7320397 - Eyeglasses case (2008-01-22),

9. 7226161 - Eyeglass device (2007-06-05),

10. 7198364 - Eyeglass combination having an auxiliary frame (2007-04-03),

11. 7052129 - Universal resilient shields (2006-05-30),

12. 6974226 - Magnetically attachable light assembly for glasses (2005-12-13),

13. 6948809 - Interconnecting assembly in combination with primary and auxiliary eyeglasses (2005-09-27),

14. 6929116 - Visual display of container contents (2005-08-16),

15. 6857518 - Containers with additional functionality (2005-02-22),

Contour Optik Inc. is a leading eyewear manufacturer and distributor that specializes in high-quality optical products. With a wide range of stylish frames and innovative lens technologies, we strive to provide our customers with the best vision solutions. Our mission is to enhance people's lives by creating exceptional eyewear that combines fashion, comfort, and functionality. Visit our website to explore our extensive collection and find the perfect eyewear for your needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

34 Patents

#3 in Chiayi

#537 in Taiwan

#19,578 in the World

Contour Optik Inc.

Forward Citations = 544

18 inventors:

David Yinkai Chao (31 out of 115 patents)

Chien-Ho Lin (5 out of 5 patents)

Richard Chao (3 out of 9 patents)

4. Yung-Chang Chang (2 out of 2 patents)

5. Yu-Shun Lee (2 out of 2 patents)

Please report any incorrect information to [email protected]

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