- All sections
 - C - Chemistrymetallurgy
 - C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
 - C03C 4/08 - Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
 
Patent holdings for IPC class C03C 4/08
Total number of patents in this class: 385
10-year publication summary
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					 24 
					
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					 46 
					
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					 23 
					
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					 38 
					
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					 26 
					
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					 18 
					
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					 41 
					
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					 21 
					
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					 24 
					
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					 19 
					
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | 
				 All patents 
			 | 
			
				 This class 
			 | 
		
|---|---|---|
| Corning Incorporated | 10362  | 
				60  | 
			
| Agc, Inc. | 4966  | 
				59  | 
			
| Nippon Electric Glass Co., Ltd. | 2474  | 
				30  | 
			
| Asahi Glass Company, Limited | 2745  | 
				27  | 
			
| SCHOTT AG | 1710  | 
				18  | 
			
| Hoya Corporation | 2761  | 
				12  | 
			
| CDGM Glass Co., Ltd | 141  | 
				12  | 
			
| PPG Industries Ohio, Inc. | 3435  | 
				11  | 
			
| Vidrio Plano de Mexico, S.A. de C.V. | 41  | 
				11  | 
			
| AGC Glass Europe | 1141  | 
				8  | 
			
| Vitro Flat Glass LLC | 472  | 
				7  | 
			
| Bank of America Corporation | 7753  | 
				6  | 
			
| ABK Biomedical Incorporated | 32  | 
				6  | 
			
| Nippon Sheet Glass Company, Limited | 985  | 
				5  | 
			
| Central Glass Company, Limited | 1275  | 
				4  | 
			
| Gürok Holding B.V. | 9  | 
				4  | 
			
| Heraeus Quarzglas GmbH & Co. KG | 410  | 
				3  | 
			
| KCC Corporation | 322  | 
				3  | 
			
| Ohara Inc. | 210  | 
				3  | 
			
| Pilkington Group Limited | 775  | 
				3  | 
			
| Other owners | 93 |