O DEN CORP has a total of 40 patent applications. Its first patent ever was published in 2000. It filed its patents most often in EPO (European Patent Office), United States and Republic of Korea. Its main competitors in its focus markets chemical engineering, environmental technology and thermal processes are CATECH INC, KAMMEL REFAAT and MALMSTEN SVEN O.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 7 | |
#2 | United States | 7 | |
#3 | Republic of Korea | 6 | |
#4 | China | 4 | |
#5 | Taiwan | 4 | |
#6 | Australia | 2 | |
#7 | Brazil | 2 | |
#8 | Canada | 2 | |
#9 | Singapore | 2 | |
#10 | Argentina | 1 | |
#11 | Mexico | 1 | |
#12 | Malaysia | 1 | |
#13 | New Zealand | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Environmental technology | |
#3 | Thermal processes | |
#4 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Endo Kiyomu | 33 |
#2 | Kiyomu Endo | 5 |
#3 | Ohtake Shigemitsu | 2 |
#4 | Kiyotake Endo | 1 |
Publication | Filing date | Title |
---|---|---|
KR20060050920A | Mist removing device and mist removing method | |
KR20050026883A | Particulate filtering device and diesel engine vehicle with the same | |
SG116434A1 | Diesel particulate removing apparatus. |