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For the Inventor, By the Inventor

West Chester, PA, United States of America

Commodore Business Machines, Inc.


USPTO Granted Patents = 17

Forward Citations = 175

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14 inventors (with patents filed for the assignee):

goldMedal James W Redfield (4 out of 5 patents)

silverMedal Albert J Charpentier (3 out of 15 patents)

bronzeMedal David W DiOrio (3 out of 3 patents)

4.  William F Gardei (2 out of 2 patents)

5.  Robert J Raible (2 out of 2 patents)

6.  Hedley C Davis (2 out of 4 patents)

7.  Ira L Velinsky (2 out of 2 patents)

8.  Charles E Hauck, Jr (1 out of 2 patents)

9.  Bruce F Ahrens (1 out of 1 patent)

10.  Chaoynan E Yang (1 out of 1 patent)

11.  James W Redfield (1 out of 1 patent)

12.  Jonathan S Radovsky (1 out of 1 patent)

13.  Robert J Yannes (1 out of 1 patent)

14.  David W Di Orio (1 out of 1 patent)


17 patents:

1. 5088035 - System for accelerating execution of program instructions by a (1992-02-11),
2. 4989174 - Fast gate and adder for microprocessor ALU (1991-01-29),
3. 4886941 - Circuit for interfacing mouse input device to computer system (1989-12-12),
4. 4851826 - Computer video demultiplexer (1989-07-25),
5. 4813671 - Raster monitor for video game displays (1989-03-21),
6. 4761736 - Memory management unit for addressing an expanded memory in groups of (1988-08-02),
7. 4686487 - Current mirror amplifier (1987-08-11),
8. 4677890 - Sound interface circuit (1987-07-07),
9. 4599528 - Self booting logical or circuit (1986-07-08),
10. 4572506 - Raster line comparator circuit for video game (1986-02-25),
11. 4570085 - Self booting logical AND circuit (1986-02-11),
12. 4569019 - Video sound and system control circuit (1986-02-04),
13. 4562365 - Clocked self booting logical 'EXCLUSIVE OR' circuit (1985-12-31),
14. 4561659 - Display logic circuit for multiple object priority (1985-12-31),
15. D281503 - Printer (1985-11-26),
Company Overview
Commodore Business Machines, Inc. is a technology company based in West Chester, Pennsylvania, known for its innovative contributions to the computing industry. The organization specializes in the development and manufacturing of personal computers and related hardware, with a focus on enhancing user experience through advanced technology. Commodore has a rich history in the realm of computing, particularly in the areas of software development and gaming, positioning itself as a notable player in the tech landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

17 Patents

#8 in West Chester, PA

#688 in Pennsylvania

#18,894 in US

#35,918 in the World

West Chester, PA (US)
West Chester, PA, United States of America

Commodore Business Machines, Inc.

Forward Citations = 175

14 inventors:

goldMedal James W Redfield (4 out of 5 patents)

silverMedal Albert J Charpentier (3 out of 15 patents)

bronzeMedal David W DiOrio (3 out of 3 patents)

4.  William F Gardei (2 out of 2 patents)

5.  Robert J Raible (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Commodore Business Machines, Inc.. Retrieved from https://idiyas.com/company/commodore-business-machines

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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