CIPO Patents = 1

EPO Patents = 3

Forward Citations = 1,475

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7 inventors (with patents filed for the assignee):

Paul Ashton (5 out of 31 patents)

Hong Guo (3 out of 17 patents)

Jianbing Chen (2 out of 9 patents)

4. David A Watson (2 out of 13 patents)

5. Richard Laporte (2 out of 2 patents)

6. Robert W Shimizu (1 out of 5 patents)

7. Thomas J Smith (1 out of 3 patents)

8. Dongling Su (19 patents)

9. Grazyna Cynkowska (4 patents)

10. Tadeusz Cynkowski (4 patents)

11. Edmund Mickunas (0 patent)

6 patents: Sort by Forward Citations

1. 6936270 - Device and method for treating conditions of a joint (2005-08-30),

2. 6852106 - Implantable refillable and ported controlled release drug delivery device (2005-02-08),

3. 6548078 - Method for treating and/or preventing retinal diseases with sustained release corticosteroids (2003-04-15),

4. 6375972 - Sustained release drug delivery devices, methods of use, and methods of manufacturing thereof (2002-04-23),

5. 6217895 - Method for treating and/or preventing retinal diseases with sustained release corticosteroids (2001-04-17),

6. 5902598 - Sustained release drug delivery devices (1999-05-11),

Company Overview

Control Delivery Systems, Inc. is a leading provider of delivery management solutions for businesses. Our innovative software and hardware systems are designed to streamline the entire delivery process, from order entry to dispatching to tracking and final delivery. With our user-friendly platforms, businesses can improve efficiency, reduce costs, and provide better customer service. Contact us today to learn how Control Delivery Systems can help optimize your delivery operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#53 in Watertown, MA

#2,546 in Massachusetts

#45,007 in US

Watertown, MA, United States of America

Control Delivery Systems, Inc.

Forward Citations = 1,475

7 inventors:

Paul Ashton (5 out of 31 patents)

Hong Guo (3 out of 17 patents)

Jianbing Chen (2 out of 9 patents)

4. David A Watson (2 out of 13 patents)

5. Richard Laporte (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Control Delivery Systems, Inc.. Retrieved from https://idiyas.com/company/control-delivery-systems

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]

1 patent (CIPO):

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]

3 patents (EPO):

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]