Trademarks = 10

Forward Citations = 301

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3 inventors (with patents filed for the assignee):

Eugene A Janning, Jr (4 out of 7 patents)

Robert G Schumacher, Jr (2 out of 2 patents)

Joseph J Janning (2 out of 3 patents)

4 patents: Sort by Forward Citations

1. 6446049 - Method and apparatus for transmitting a digital information signal and vending system incorporating same (2002-09-03),

2. 6064308 - RF signaling system and system for controlling the whereabouts of (2000-05-16),

3. 5615227 - Transmitting spread spectrum data with commercial radio (1997-03-25),

4. 5241923 - Transponder control of animal whereabouts (1993-09-07),

Company Overview

Pole/Zero Corporation is a leading provider of integrated RF/microwave filter solutions for the military, aerospace, and telecommunications industries. With over 50 years of experience, the company specializes in designing and manufacturing high-performance filters, diplexers, multiplexers, and integrated filter assemblies for critical communication applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#20 in West Chester, OH

#2,334 in Ohio

#60,641 in US

West Chester, OH, United States of America

Pole/zero Corporation

Forward Citations = 301

3 inventors:

Eugene A Janning, Jr (4 out of 7 patents)

Robert G Schumacher, Jr (2 out of 2 patents)

Joseph J Janning (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pole/zero Corporation. Retrieved from https://idiyas.com/company/pole-zero

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]