% Expired Patents = 11.1

Trademarks = 1

Forward Citations = 427

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10 inventors (with patents filed for the assignee):

Vladimir Rodov (9 out of 49 patents)

Paul C Chang (9 out of 23 patents)

Geeng-Chuan Chern (8 out of 43 patents)

4. Wayne Y W Hsueh (6 out of 13 patents)

5. Jianren Bao (2 out of 2 patents)

6. Ching-Lang Chiang (2 out of 4 patents)

7. Gary Michael Hurtz (2 out of 14 patents)

8. Charles Lin (1 out of 17 patents)

9. Arthur Ching-Lang Chiang (1 out of 1 patent)

10. Geeng-Chuan (aka Michael) Chern (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 6979861 - Power device having reduced reverse bias leakage current (2005-12-27),

2. 6743703 - Power diode having improved on resistance and breakdown voltage (2004-06-01),

3. 6515330 - Power device having vertical current path with enhanced pinch-off for current limiting (2003-02-04),

4. 6498367 - Discrete integrated circuit rectifier device (2002-12-24),

5. 6448160 - Method of fabricating power rectifier device to vary operating parameters and resulting device (2002-09-10),

6. 6426541 - Schottky diode having increased forward current with improved reverse bias characteristics and method of fabrication (2002-07-30),

7. 6420225 - Method of fabricating power rectifier device (2002-07-16),

8. 6404033 - Schottky diode having increased active surface area with improved reverse bias characteristics and method of fabrication (2002-06-11),

9. 6399996 - Schottky diode having increased active surface area and method of fabrication (2002-06-04),

Company Overview

APD Semiconductor, Inc. is a leading provider of advanced semiconductor solutions for a wide range of industries including automotive, consumer electronics, and industrial applications. With a focus on innovation and quality, we offer a comprehensive portfolio of products and services to meet the diverse needs of our customers. Our team of experienced professionals is dedicated to delivering cutting-edge technology and exceptional customer support to drive success in the ever-evolving semiconductor market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#557 in San Jose, CA

#7,735 in California

#32,588 in US

San Jose, CA, United States of America

Apd Semiconductor, Inc.

Forward Citations = 427

10 inventors:

Vladimir Rodov (9 out of 49 patents)

Paul C Chang (9 out of 23 patents)

Geeng-Chuan Chern (8 out of 43 patents)

4. Wayne Y W Hsueh (6 out of 13 patents)

5. Jianren Bao (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Apd Semiconductor, Inc.. Retrieved from https://idiyas.com/company/apd-semiconductor

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]