The Pollution & Treatment Controls Industry has a total of 9,440 granted patents and 18,679 patent applications distributed into 15,588 patent families. Based on the countries of patent applications, the key markets are South Korea, Japan and USA. The main technology areas are treatment of water, waste water, sewage, or sludge, separation and semiconductor devices; electric solid state devices. The top companies in this industry are KURITA WATER INDUSTRIES LTD., KAIST and KOREA INST OF SCI & TECH.
By showing the geographic breakdown of the patents in this technology field, it is possible to determine the territorial markets in which the technology field is prominent or which markets have opportunities for development.
South Korea is the top country/region for patent coverage with a total of 6,979 patents.
Japan comes in 2nd with a total of 6,881 patents.
USA rounds up the top 3 with a total of 2,633patents.
Through grouping the patents in the technology field into their various technology areas, it is possible to identify the core technology areas of this field.
The ranking below shows some of the most valuable and important patents in this industry.
|1||US20110202526A1||SEMANTIC SEARCH SYSTEM USING SEMANTIC RANKING SCHEME|
|2||EP2138512B8||Humanized anti-NGF antibodies|
|3||FR2815413B1||Determination of characteristics of distillation of liquid petroleum products, comprises distilling small sample with continuous measurements of temperatures and pressures in liquid and vapor phases|
|4||US20110210061A1||COMPRESSED NANOFIBER COMPOSITE MEDIA|
This shows the top companies in this industry based on their patent output, providing an approximation of each their innovation rate.