% Expired Patents = 12.5

Trademarks = 5

Forward Citations = 604

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7 inventors (with patents filed for the assignee):

Jose L Contin (5 out of 5 patents)

Nick Tsujimoto (3 out of 3 patents)

Wei Gao (1 out of 20 patents)

4. Neli Ulea (1 out of 1 patent)

5. Peter H Harris (1 out of 1 patent)

6. Michael E Weiss (1 out of 5 patents)

7. Jim Moore (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 6854708 - High-vacuum valve with retractable valve plate to eliminate abrasion (2005-02-15),

2. 6012413 - Electron beam source for use with varying sizes of crucibles (2000-01-11),

3. 5473627 - UHV rotating fluid delivery system (1995-12-05),

4. 5418348 - Electron beam source assembly (1995-05-23),

5. 5116023 - Low vibration high vacuum gate valve (1992-05-26),

6. 4904141 - Manipulating device for high vacuum chamber (1990-02-27),

7. 4718637 - High vacuum gate valve having improved metal vacuum joint (1988-01-12),

8. 4681329 - High vacuum gate valve having improved metal vacuum seal joint (1987-07-21),

Company Overview

Mdc Vacuum Products Corporation is a leading supplier of vacuum components and systems for a wide range of applications. With over 45 years of experience, Mdc offers high-quality products such as vacuum chambers, valves, and fittings to customers in various industries, including semiconductor, research, and aerospace. Their innovative solutions and dedication to customer satisfaction have established them as a trusted partner in the vacuum technology industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#72 in Hayward, CA

#8,540 in California

#35,924 in US

Hayward, CA, United States of America

Mdc Vacuum Products Corporation

Forward Citations = 604

7 inventors:

Jose L Contin (5 out of 5 patents)

Nick Tsujimoto (3 out of 3 patents)

Wei Gao (1 out of 20 patents)

4. Neli Ulea (1 out of 1 patent)

5. Peter H Harris (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mdc Vacuum Products Corporation. Retrieved from https://idiyas.com/company/mdc-vacuum-products

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]