For the Inventor, By the Inventor

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Santa Clara, CA, United States of America

Rolm Corporation

USPTO Granted Patents = 23

Forward Citations = 528

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20 inventors (with patents filed for the assignee):

Martin H Graham (9 out of 46 patents)

James M Kasson (5 out of 15 patents)

Charles H Jolissaint (3 out of 18 patents)

4. John D Edwards (3 out of 3 patents)

5. Charles Matthew Corbalis (1 out of 23 patents)

6. Michael G Duncan (1 out of 12 patents)

7. Peter A Reali (1 out of 2 patents)

8. Gregory P Dumas (1 out of 4 patents)

9. Errol R Williams (1 out of 12 patents)

10. Robert R Shepard (1 out of 3 patents)

11. Joseph D Remson (1 out of 9 patents)

12. Howard W Johnson (1 out of 12 patents)

13. Philip H Sutterlin (1 out of 2 patents)

14. Michael D Jabara (1 out of 1 patent)

15. David Lieberman (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 5070439 - DC to DC converter apparatus employing push-pull oscillators (1991-12-03),

2. 4803699 - Bus apparatus with a plurality of transmitters (1989-02-07),

3. 4642805 - Digital link for telephone station sets (1987-02-10),

4. 4627050 - Time division multiplexed computerized branch exchange (1986-12-02),

5. 4600982 - Low power consuming AC to DC converter (1986-07-15),

6. 4546388 - Power supply for CRT terminal (1985-10-08),

7. 4494229 - Interconnecting apparatus for a distributed switching telephone system (1985-01-15),

8. 4485470 - Data line interface for a time-division multiplexing (TDM) bus (1984-11-27),

9. 4475235 - Signature verification sensor (1984-10-02),

10. 4459558 - Phase locked loop having infinite gain at zero phase error (1984-07-10),

11. 4445048 - High speed ribbon cable bus (1984-04-24),

12. 4411004 - Inductively coupled sensing circuit and priority system (1983-10-18),

13. 4320520 - Transmitter/receiver for use on common cable communications system such (1982-03-16),

14. 4313037 - Telephone station set with improved flash signalling (1982-01-26),

15. 4313036 - Distributed CBX system employing packet network (1982-01-26),

Company Overview

Rolm Corporation, based in Santa Clara, California, specializes in telecommunications and information technology solutions. The company is known for its innovative developments in voice processing, data networking, and integrated communication systems. Rolm has a strong focus on enhancing business communications through advanced technologies, catering to various sectors including enterprise and government. Its commitment to research and development positions it as a key player in the evolving landscape of digital communication solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

23 Patents

#148 in Santa Clara, CA

#3,421 in California

#14,438 in US

#27,714 in the World

Santa Clara, CA, United States of America

Rolm Corporation

Forward Citations = 528

20 inventors:

Martin H Graham (9 out of 46 patents)

James M Kasson (5 out of 15 patents)

Charles H Jolissaint (3 out of 18 patents)

4. John D Edwards (3 out of 3 patents)

5. Charles Matthew Corbalis (1 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rolm Corporation. Retrieved from https://idiyas.com/company/rolm

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]

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