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 = 527

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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),

Rolm Corporation is a technology company specializing in telecommunications solutions. With the mission to provide reliable and innovative communication systems, Rolm has been a leader in this industry for over 30 years. They offer a wide range of products and services including cloud-based PBX systems, unified communications, and network infrastructure solutions. Rolm Corporation is dedicated to helping businesses and organizations improve their communication capabilities and enhance productivity.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

23 Patents

#182 in Santa Clara, CA

#3,302 in California

#13,953 in US

#26,826 in the World

Santa Clara, CA, United States of America

Rolm Corporation

Forward Citations = 527

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)

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