20-52  Statistics on Patent of Industrial Enterprises above Designated Size by Industrial Sector (2011)
	(piece)
Sector
			Number of
	Patent	Invention	Patents In
	Applications	Patents	Force
Total	386075	134843	201089
Mining and Washing of Coal	1917	505	606
Extraction of Petroleum and Natural Gas	2337	698	954
Mining of Ferrous Metal Ores	301	162	204
Mining of Non-ferrous Metal Ores	193	88	71
Mining and Processing of Nonmetal Ores	145	70	118
Processing of Food from Agricultural Products	4350	1689	1613
Manufacture of Foods	3870	1512	1435
Manufacture of Beverage	2174	600	1239
Manufacture of Tobacco	1145	381	490
Manufacture of  Textile	12711	1854	1962
Manufacture of Textile Wearing Apparel,	3565	345	686
Footware, and Caps
Manufacture of Leather, Fur, Feather & Its Products	2008	214	377
Processing of Timbers, Manufacture of Wood,	1914	541	583
Bamboo, Rattan, Palm, and Straw Products
Manufacture of Furniture	3298	303	1102
Manufacture of Paper and Paper Products	2243	619	809
Printing, Reproduction of Recording Media	1281	365	578
Manufacture of Articles for Culture, Education	4463	555	1229
and Sport Activities
Processing of Petroleum, Coking, Processing	1055	632	1228
of Nuclear Fuel
Manufacture of Chemical Raw Material and	18436	9417	11917
Chemical Products
Manufacture of Medicines	11115	6968	10506
Manufacture of Chemical Fiber	2231	560	733
Manufacture of Rubber	2814	849	999
Manufacture of Plastic	7735	2055	3393
Manufacture of Nonmetallic Mineral Products	9136	2715	6366
Manufacture and Processing of Ferrous Metals	8381	2911	4119
Manufacture & Processing of Non-ferrous Metals	6519	2456	4651
Manufacture of Metal Products	12699	2575	4780
Manufacture of General Purpose Machinery	33060	8637	13464
Manufacture of Special Purpose Machinery	32022	10300	16358
Manufacture of Transport Equipment	38829	9267	12071
Manufacture of Electrical Machinery & Equipment	57713	16667	24052
Manufacture of Communication Equipment,	71890	40980	62159
Computer and Other Electronic Equipment
Manufacture of Measuring Instrument and	14059	4319	6759
Machinery for Cultural Activity & Office Work
Manufacture of Artwork, Other Manufacture	3396	612	863
Production and Supply of Electric Power and Heat Power	6716	2256	2415
Production and Distribution of Gas	63	8	48
Production and Distribution of Water	197	111	116