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For the Inventor, By the Inventor

Columbia, SC, United States of America

Roland F Dapo

This inventor holds 14 USPTO granted patents. Top assignees: North American Philips Corporation, Philips Electronics North America Corporation, Bc Components Holdings B.v.. Active years: 1983-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roland F Dapo. Retrieved from https://idiyas.com/inventor/roland-f-dapo

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 = 1.3

ph-index = 5

Forward Citations = 94(Granted Patents)


Company Filing History:

goldMedal6 out of 950 
 
North American Philips Corporation
 patents
silverMedal4 out of 838 
 
Philips Electronics North America Corporation
 patents
bronzeMedal3 out of 6 
 
Bc Components Holdings B.v.
 patents
4. 1 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1983-2002

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14 patents (USPTO):Explore Patents
1. 6370016 - Electrolytic capacitor cover method and materials for the manufacture thereof (2002-04-09),
2. 6197241 - Method of making an electrolytic capacitor cover (2001-03-06),
3. 5997771 - Use of hydrotropic agents in electrolytic capacitors (1999-12-07),
4. 5901032 - Method of producing aluminum foil for electrolytic capacitors and (1999-05-04),
5. 5715133 - Method of producing aluminum foil for electrolytic capacitors and (1998-02-03),
6. 5687057 - Longer life electrolytic capacitors and electrolyte therefor (1997-11-11),
7. 5519567 - Longer life electrolytic capacitors (1996-05-21),
8. 5175674 - Electrolyte containing a novel depolarizer and an electrolytic capacitor (1992-12-29),
9. 5111365 - Electrolytic capacitor provided with a low resistivity electrolyte (1992-05-05),
10. 4885660 - Electrolytic capacitor for use in a wide temperature range and high (1989-12-05),
11. 4861439 - Method of improving the capacitance of anodized aluminum foil (1989-08-29),
12. 4860169 - Long chain carboxylic acids for very high voltage aluminum electrolytic (1989-08-22),
13. 4835660 - Use of choline as the cation in capacitor for electrolytes (1989-05-30),
14. 4408258 - Aluminum electrode capacitor and glycol fill electrolyte therefor (1983-10-04),

Title: The Innovations of Roland F Dapo

Introduction

Roland F Dapo is a notable inventor based in Columbia, SC, with a remarkable portfolio of 14 patents. His work primarily focuses on advancements in electrolytic capacitor technology, showcasing his commitment to innovation in the field.

Latest Patents

Dapo's latest patents include a method for creating improved covers for electrolytic capacitors. These covers are designed to offer both durability and low extractability of halides when exposed to high-temperature electrolytes. The manufacturing process involves molding compositions that utilize thermoset polymers, particularly phenolic resins, and nonporous fillers. These compositions are notably free of porous fillers, enhancing the overall performance of the capacitors.

Career Highlights

Throughout his career, Dapo has made significant contributions while working for prominent companies such as North American Philips Corporation and Philips Electronics North America Corporation. His experience in these organizations has undoubtedly shaped his innovative approach to capacitor technology.

Collaborations

Dapo has collaborated with several professionals in his field, including James L Stevens and Albert Kennedy Harrington. These partnerships have likely fostered a creative environment that has led to the development of his groundbreaking patents.

Conclusion

Roland F Dapo's contributions to the field of electrolytic capacitors reflect his dedication to innovation and excellence. His patents not only enhance the durability of capacitor covers but also push the boundaries of material science.

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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