Luoyang hongtai semiconductor co ltd innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	China	12
#2	EPO (European Patent Office)	1
#3	United States	1
#4	WIPO (World Intellectual Property Organization)	1

#	Technology
#1	Semiconductor devices
#2	Image data processing
#3	Grinding or polishing devices
#4	Working stone
#5	Pumps

Publication	Filing date	Title
CN110112209A	2019-06-10	A kind of fast recovery diode structure based on 3 D semiconductor wafer
CN106129108A	2016-08-29	A kind of semiconductor crystal wafer with three dimensional structure
CN106050607A	2016-07-20	Energy-saving air compressor
CN104907923A	2015-05-28	Special grinding machine sun gear height adjusting device
CN104924199A	2015-05-28	Manufacturing technique of a single-sided ground silicon wafer with binding method
CN104908167A	2015-05-28	Silicon rod crystal orientation adjusting device
CN104985708A	2015-05-28	Cutting device special for high voltage silicon stack
CN103552166A	2013-09-30	Device for adjusting crystal-orientation deviation degree of silicon rod
CN103552162A	2013-09-30	Method for removing silicon slice bonding surface check lines
CN103558776A	2013-09-30	Silicon rod bonding time control device
CN103506936A	2013-09-18	Silicon wafer differentiation grinding device
CN103448152A	2013-08-20	Guide wheel device for extracting solar silicon rod