WELLEN SHAM

Overview

About

WELLEN SHAM has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in Hong Kong, China and Taiwan. Its main competitors in its focus markets telecommunications, audio-visual technology and measurement are SHINOHARA YASUKO, PARK YONG CHEOL and YAMADA KENICHIRO.

Patent filings in countries

#	Industry
#1	Telecommunications
#2	Audio-visual technology
#3	Measurement
#4	Environmental technology
#5	Electrical machinery and energy
#6	Digital networks
#7	Transport
#8	Civil engineering

#	Technology
#1	Wireless communication networks
#2	Special information storage
#3	Telephonic communication
#4	Radio navigation
#5	Climate change mitigation in transportation
#6	Circuits for supplying electric power
#7	Electrical vehicle propulsion
#8	Digital information transmission
#9	Reduction of greenhouse gas emissions
#10	Swimming pools

#	Name	Total Patents
#1	Wellen Sham	13

Publication	Filing date	Title
CN102226946A	2006-12-15	A read-once record medium and a system with read protecting function