- All sections
 - C - Chemistrymetallurgy
 - C12N - Microorganisms or enzymescompositions thereofpropagating, preserving, or maintaining microorganismsmutation or genetic engineeringculture media
 - C12N 1/15 - Fungi Culture media therefor modified by introduction of foreign genetic material
 
Patent holdings for IPC class C12N 1/15
Total number of patents in this class: 2588
10-year publication summary
| 
					 104 
					
				 | 
			
				
					 110 
					
				 | 
			
				
					 112 
					
				 | 
			
				
					 108 
					
				 | 
			
				
					 103 
					
				 | 
			
				
					 104 
					
				 | 
			
				
					 95 
					
				 | 
			
				
					 98 
					
				 | 
			
				
					 114 
					
				 | 
			
				
					 68 
					
				 | 
			
		
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | 
				 All patents 
			 | 
			
				 This class 
			 | 
		
|---|---|---|
| Chugai Seiyaku Kabushiki Kaisha | 1372  | 
				72  | 
			
| Daiichi Sankyo Company, Limited | 1879  | 
				60  | 
			
| National Institute of Advanced Industrial Science and Technology | 3795  | 
				53  | 
			
| Amano Enzyme Inc. | 404  | 
				53  | 
			
| Kao Corporation | 4990  | 
				52  | 
			
| Suntory Holdings Limited | 2056  | 
				46  | 
			
| Kaneka Corporation | 4601  | 
				44  | 
			
| Osaka University | 3396  | 
				42  | 
			
| Astellas Pharma Inc. | 1065  | 
				40  | 
			
| Riken | 1690  | 
				39  | 
			
| Kikkoman Corporation | 483  | 
				37  | 
			
| Kyowa Hakko Kirin Co., Ltd. | 280  | 
				33  | 
			
| Kyoto University | 2835  | 
				32  | 
			
| Novozymes A/S | 3343  | 
				28  | 
			
| The University of Tokyo | 4244  | 
				28  | 
			
| Ajinomoto Co., Inc. | 2307  | 
				27  | 
			
| National University Corporation Hokkaido University | 1350  | 
				25  | 
			
| Kyowa Kirin Co., Ltd. | 368  | 
				24  | 
			
| Sumitomo Chemical Company, Limited | 9089  | 
				23  | 
			
| Genomatica, Inc. | 498  | 
				23  | 
			
| Other owners | 1807 |