Inventor

Roland F. Dapo

Inventor

Columbia, SC, US

Overview

1983–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Gprimary

H01GCapacitors76%

C25FProcesses for the electrolytic removal of materials from objects10%

C25DProcesses for the electrolytic or electrophoretic production of coatings5%

H01BCables5%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

PatentTitleYear

7,268,996'Electrolyte for very high voltage electrolytic capacitors'2007 6,522,524'Conductive electrolyte gel for high voltage electrolytic capacitors'2003 6,370,016'Electrolytic capacitor cover method and materials for the manufacture thereof'2002 6,197,241'Method of making an electrolytic capacitor cover'2001 5,997,771'Use of hydrotropic agents in electrolytic capacitors'1999 5,901,032'Method of producing aluminum foil for electrolytic capacitors and product thereof'1999 5,715,133'Method of producing aluminum foil for electrolytic capacitors and product thereof'1998 5,687,057'Longer life electrolytic capacitors and electrolyte therefor'1997 5,519,567'Longer life electrolytic capacitors'1996 5,175,674'Electrolyte containing a novel depolarizer and an electrolytic capacitor containing said electrolyte'1992 5,111,365'Electrolytic capacitor provided with a low resistivity electrolyte'1992 4,885,660'Electrolytic capacitor for use in a wide temperature range and high voltages'1989 4,861,439'Method of improving the capacitance of anodized aluminum foil'1989 4,860,169'Long chain carboxylic acids for very high voltage aluminum electrolytic capacitors'1989 4,835,660'Use of choline as the cation in capacitor for electrolytes'1989 4,408,258'Aluminum electrode capacitor and glycol fill electrolyte therefor'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1992Patents assigned to PHILIPS CORP (7)· patent assignee history

1983–2002Based in Columbia, SC, US· patent location history

1996–1999Patents assigned to PHILIPS ELECTRONICS NA (4)· patent assignee history

1999–2002Patents assigned to BC COMPONENTS HOLDINGS B V (3)· patent assignee history

2003–2007Patents assigned to PACESETTER INC (2)· patent assignee history

2003–2007Based in Asheville, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHILIPS CORP	7	1983–1992
PHILIPS ELECTRONICS NA	4	1996–1999
BC COMPONENTS HOLDINGS B V	3	1999–2002
PACESETTER INC	2	2003–2007

Locations

Location	Patents	Span
Columbia, SC, US	14	1983–2002
Asheville, NC, US	2	2003–2007