Enter assignee name

Forward Citations = 44

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4 inventors (with patents filed for the assignee):

Francis K King (14 out of 23 patents)

Jeffrey F Liu (12 out of 14 patents)

Shand-Ling Mao (2 out of 4 patents)

4. Ranvir Koshal (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 7336569 - Optical disk tracking servo circuit enabled to compensate for non-continuous track segments or prolonged defect (2008-02-26),

2. 7334733 - Data access device using rotational head to access data stored in data strips and data arc segments or data circles (2008-02-26),

3. 7185814 - Layer structure and method of manufacture for optical memory strip (OMS) (2007-03-06),

4. 6934098 - Data card with a full circular track for alignment and amplitude calibration (2005-08-23),

5. 6775080 - Data access device implemented with open and closed control loops to access data stored in discrete stepwise segments (2004-08-10),

6. 6728059 - Magnetic data card servo writer (2004-04-27),

7. 6588671 - Positioning of a recording head for a data storage device (2003-07-08),

8. 6545831 - Servo-sector arrangement over several data arcs for a rotational head data recording and retrieving system (2003-04-08),

9. 6502755 - Optical data storage card (2003-01-07),

10. 6499659 - Pulse shaping for a transformer coupled read/write recording device (2002-12-31),

11. 6417980 - Magnetic data card servo writer (2002-07-09),

12. 6339569 - Optical data card servo writer (2002-01-15),

13. 6311893 - Optical data access system with data card reader having a single rotational moving pickup head (2001-11-06),

14. 6307709 - Magnetic data storage card (2001-10-23),

Dcard, Inc. is a Taiwanese online community platform that allows users to anonymously share and discuss various topics. With a focus on college students, Dcard provides a space for users to seek advice, share experiences, and connect with others who have similar interests. Dcard aims to create a supportive and inclusive environment where users can freely express themselves and engage in meaningful conversations.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

14 Patents

#96 in Milpitas, CA

#5,160 in California

#21,655 in US

#40,959 in the World

Milpitas, CA, United States of America

Dcard, Inc.

Forward Citations = 44

4 inventors:

Francis K King (14 out of 23 patents)

Jeffrey F Liu (12 out of 14 patents)

Shand-Ling Mao (2 out of 4 patents)

4. Ranvir Koshal (1 out of 1 patent)

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