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For the Inventor, By the Inventor

Eindhoven, Netherlands

Leonardus C Pfennings

This inventor holds 14 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1985-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonardus C Pfennings. Retrieved from https://idiyas.com/inventor/leonardus-c-pfennings

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 6

Forward Citations = 125(Granted Patents)


Company Filing History:

goldMedal14 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1985-1991

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14 patents (USPTO):Explore Patents
1. 5040152 - Fast static random access memory with high storage capacity (1991-08-13),
2. 4978867 - Integrated circuit with on-chip voltage converter (1990-12-18),
3. 4931667 - Circuit arrangement for a dual bus line (1990-06-05),
4. 4918331 - Logic circuits with data resynchronization (1990-04-17),
5. 4868665 - Charge-coupled device with varible storage capacity and constant clock (1989-09-19),
6. 4849943 - Integrated memory circuit having a block selection circuit (1989-07-18),
7. 4823319 - Integrated memory circuit having complementary bit line charging (1989-04-18),
8. 4817090 - Integrated electronic multiplex circuit (1989-03-28),
9. 4775806 - Integrated circuit having capacitive process-scatter compensation (1988-10-04),
10. 4727560 - Charge-coupled device with reduced signal distortion (1988-02-23),
11. 4707844 - Integrated circuit having reduced clock cross-talk (1987-11-17),
12. 4697111 - Logic boatstrapping circuit having a feedforward kicker circuit (1987-09-29),
13. 4667303 - Digital integrated circuit comprising complementary field effect (1987-05-19),
14. 4513388 - Electronic device for the execution of a mathematical operation on sets (1985-04-23),

Title: Innovations by Leonardus C. Pfennings: A Pioneer in Memory Technology

Introduction

Leonardus C. Pfennings is an esteemed inventor based in Eindhoven, Netherlands, who has made notable contributions to the field of electronics with a total of 14 patents to his name. His work primarily focuses on enhancing memory technology and integrated circuits, reflecting his commitment to innovation in the tech industry.

Latest Patents

Among his latest patents, Pfennings has developed a "Fast Static Random Access Memory with High Storage Capacity." This innovative static RAM memory is optimized for speed, consisting of major memory matrices that are divided into memory blocks. These blocks are further grouped with common address bits, which are connected to distinct pads or sets of pads, maximizing efficiency through interconnections on the package to common package pins.

Another significant patent is an "Integrated Circuit with On-Chip Voltage Converter," which features a built-in supply voltage reducer. This integrated circuit includes a voltage converter that intermittently charges the device's capacitance. The voltage converter is designed with a power switching transistor, facilitating control through a detector amplifier that senses the voltage across the internal supply capacitance. This system intelligently toggles the transistor on and off based on the detected voltage, incorporating a defined hysteresis for optimal performance.

Career Highlights

Pfennings is associated with U.S. Philips Corporation, where his expertise in electronic design and circuit optimization is leveraged for advancing technology. His contributions have not only fueled innovation within the company but have also had a significant impact on the broader technological landscape.

Collaborations

Throughout his career, Pfennings has collaborated with prominent colleagues such as Hendrikus J. Veendrick and Adrianus T. Van Zanten. These collaborations have fostered a creative environment, leading to groundbreaking advancements in integrated circuit design and memory technologies.

Conclusion

Leonardus C. Pfennings stands as a vital figure in the field of electronics and memory technology, with a portfolio of patents that showcases his innovative spirit. His work continues to influence the future of electronic devices, proving that his contributions are integral to shaping modern technology.

Profile summary based on public USPTO records.
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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