The General Building Materials Industry has a total of 41,594 granted patents and 84,560 patent applications distributed into 53,042 patent families. Based on the countries of patent applications, the key markets are Japan, USA and WIPO(PCT). The main technology areas are air-conditioning; air-humidification; ventilation, chemical composition & treatment of glasses, glazes, or vitreous enamels and manufacture or shaping of glass, or of mineral or slag woo. The top companies in this industry are DAIKIN, ASAHI GLASS CO. and DOW CORNING.
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.
Japan is the top country/region for patent coverage with a total of 37,819 patents.
USA comes in 2nd with a total of 13,974 patents.
WIPO(PCT) rounds up the top 3 with a total of 8,951 patents.
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||US7349137||Polarizing, photochromic devices and methods of making the same|
|2||CA2620350C||COATING COMPOSITIONS EXHIBITING CORROSION RESISTANCE PROPERTIES, RELATED COATED SUBSTRATES, AND METHODS|
This shows the top companies in this industry based on their patent output, providing an approximation of each their innovation rate.