Table 1. Classification of effective patents associated with packaging and storage with eight subcategories in four countries (Korea, USA, Japan and China) and the European Union
Category1) | Subcategory | ID | Korea4) | USA | Japan | China | EU | Total |
Packaging2) | Mushrooms | P1 | 20 | 2 | 25 | 12 | 2 | 61 |
Fruit | P2 | 39 | 24 | 161 | 19 | 14 | 257 |
Vegetables | P3 | 19 | 20 | 52 | 21 | 13 | 125 |
Others | P4 | 112 | 31 | 103 | 26 | 21 | 293 |
Storage3) | Mushrooms | S1 | 6 | 7 | 14 | 28 | 6 | 61 |
Fruit | S2 | 42 | 20 | 50 | 124 | 8 | 244 |
Vegetables | S3 | 40 | 16 | 51 | 64 | 6 | 177 |
Others | S4 | 90 | 22 | 69 | 98 | 20 | 299 |
Total | 368 | 142 | 525 | 392 | 90 | 1,517 |
Packaging and storage (p<0.01).
Four subcategories of packaging (p<0.04).
storage (p<0.02).
Five countries with eight subcategories (p<0.01).