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DAY SHENG TONG

Overview
  • Total Patents
    27
About

DAY SHENG TONG has a total of 27 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Canada, EPO (European Patent Office) and United States. Its main competitors in its focus markets consumer goods, optics and medical technology are WANG MAX, THIERION DE MONCLIN HUGUES and HUGENDUBEL ERNST.

Patent filings in countries

World map showing DAY SHENG TONGs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 EPO (European Patent Office) 6
#3 United States 4
#4 Norway 3
#5 New Zealand 3
#6 Republic of Korea 2
#7 South Africa 2
#8 Australia 1

Patent filings per year

Chart showing DAY SHENG TONGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods
#2 Optics
#3 Medical technology

Focus technologies

# Technology
#1 Walking sticks
#2 Hats
#3 Implantable devices
#4 Spectacles

Top inventors

# Name Total Patents
#1 Day Sheng-Tong 13
#2 Cheng Jonathan C 6
#3 Chou Luc L 6
#4 Chou Luc Lung-Chiao 5
#5 Cheng Jonathan Cheng-Pu 4
#6 Cheng Jonathan C P 2
#7 Sheng-Tong Day 1
#8 Chou Luc Long-Chiao 1
#9 Chou Luc L C 1

Latest patents

Publication Filing date Title
KR970009876B1 Improvement on simplified fully automatic umbrella
US5318067A Simplified fully automatic umbrella
CA2085062A1 Eye shield assembly for cap visor
ZA9209090B A simplified fully automatic umbrella.
CA2083247A1 Simplified fully automatic umbrella
NZ243039A Automatic umbrella: actuated by pulley and rope mechanism
CA2065226A1 Fully automatic collapsible umbrella
US5144969A Fully automatic collapsible umbrella
EP0525227A1 Lightly operable fully automatic umbrella
NZ239102A Umbrella opened or closed with one handed operation and having springs to open or close
AU8269587A Visor cap with a detachable eye shield