QUALSTAR CORP

Overview

Total Patents

14

About

QUALSTAR CORP has a total of 14 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States, United Kingdom and China. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and computer technology are PLUS DEV CORP, CIPHER DATA PROD and SOUNDSTREAM.

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Patent filings in countries

World map showing QUALSTAR CORPs patent filings in countries

#	Country	Total Patents
#1	United States	9
#2	United Kingdom	2
#3	China	1
#4	EPO (European Patent Office)	1
#5	WIPO (World Intellectual Property Organization)	1

Patent filings per year

Chart showing QUALSTAR CORPs patent filings per year from 1900 to 2020

Similar Companies

PLUS DEV CORP 99% similarity

CIPHER DATA PROD 99% similarity

SOUNDSTREAM 99% similarity

R BYTE INC 99% similarity

II D KONTORAIBU KK 99% similarity

BASE TECHNOLOGY INC 99% similarity

SONIC SOLUTIONS INC 99% similarity

XEBEC DEV PARTNERS LTD 99% similarity

ASACA CORP 99% similarity

TANDBERG DATA HOLDINGS S A R L 98% similarity

Focus industries

#	Industry
#1	Audio-visual technology
#2	Electrical machinery and energy
#3	Computer technology
#4	Machines
#5	Environmental technology

Focus technologies

#	Technology
#1	Special information storage
#2	Unspecified technologies
#3	Electric digital data processing
#4	Climate change mitigation in buildings
#5	Special electric heating or lighting
#6	Indexing scheme for uses of lighting devices
#7	Lighting device details

Top inventors

#	Name	Total Patents
#1	Helmick Mark H	7
#2	Gervais William J	4
#3	Lurie William J	4
#4	Cogley Jr John R	2
#5	Van Wert Everette C	2
#6	Follmar Chad A	2
#7	Vermeer William H	2
#8	Studebaker Thomas J	2
#9	Nelson Richard A	2
#10	Helmiek Mark H	1

Latest patents

Publication	Filing date	Title
US2013040471A1	2012-08-07	Interposer for cobra head streetlight
EP2315103A2	2010-05-24	Touchless pointing device
US2004257924A1	2003-06-17	Scalable composite rectangular/cylindrical automated data storage library system
US2003107838A1	2003-01-24	High density tape library system
US2002085307A1	2001-01-04	High density tape library system
US6381089B1	2000-07-28	Tape cassette storage and accessing system with closely spaced layered cassettes
US6271982B1	1995-04-26	Automated precision cassette handling system
US5014141A	1989-10-13	Low profile, high-capacity streaming tape drive
US4893312A	1988-04-25	Compact, real time tape drive system