| China Intellectual Property Statistical Yearbook 2022 |  |
| 5-1 Patent Applications for Invention and Utility Model by Sections of IPC (2022) | ||||
| (Unit: piece) | ||||
| Classification | Invention | Utility Model | ||
| Number | % | Number | % | |
|
A----H Total |
1632428 | 100.0% | 2969733 | 100.0% |
|
A
Human necessities |
183043 | 11.2% | 437390 | 14.7% |
|
B
Section B Performing operations; Transporting |
280203 | 17.2% | 1124808 | 37.9% |
|
C
Section C Chemistry;Metallurgy |
188963 | 11.6% | 92646 | 3.1% |
|
D
Section D Textiles;Paper |
18154 | 1.1% | 39111 | 1.3% |
|
E
Section E Fixed constructions |
66296 | 4.1% | 252849 | 8.5% |
|
F
Section F Mechanical Engineering; Lighting; Heating; Weapons; Blasting |
95524 | 5.9% | 368758 | 12.4% |
|
G
Section G Physics |
517112 | 31.7% | 332271 | 11.2% |
|
H
Section H Electricity |
283133 | 17.3% | 321900 | 10.8% |
|
Note: In this chapter, the classification completion date of IPC is taken as the statistical basis. |
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