基于文献计量的全球氢燃料电池技术竞争态势分析
秦阿宁,孙玉玲,陈芳,滕飞

Analysis of International Competition of Hydrogen Fuel Cell Based on Bibliometrics
Aning Qin,Yuling Sun,Fang Chen,Fei Teng
表3 TOP20专利权人/机构主要IPC分类
IPC分类号 专利权人/机构
丰田汽车公司 松下电器产业株式会社 三菱集团 本田汽车公司 日产汽车公司 三星集团 东芝集团 通用汽车公司 日立集团 住友集团
H01M-008/10 1922 930 868 910 684 417 449 255 352 245
H01M-008/02 1462 608 573 652 487 367 296 270 250 239
H01M-008/04 618 469 228 410 276 221 271 215 105 19
H01M-004/86 550 235 285 174 249 256 120 106 78 74
H01M-004/88 424 149 254 68 158 114 40 84 44 25
H01M-008/24 268 194 68 205 93 61 89 84 41 9
H01B-001/06 239 29 91 66 35 96 17 9 58 126
H01M-004/90 165 43 57 28 64 109 26 23 48 15
H01B-013/00 157 13 47 15 18 43 1 3 19 47
H01M-008/06 154 206 119 86 73 93 68 41 56 8
H01M-004/96 136 83 152 50 92 53 19 30 40 3
H01M-004/92 123 49 53 25 70 83 23 29 38 7
H01M-008/00 109 112 45 111 139 95 57 91 46 16
C08J-005/22 79 8 70 36 10 77 5 22 30 69
H01M-008/12 38 29 32 12 19 15 5 9 2 8
H01M-008/1018 35 24 28 25 38 5 2 14 7
B01J-023/42 35 15 15 11 34 22 6 5 4 2
H01M-008/1004 30 16 22 22 36 8 3 16
C01B-003/38 26 66 31 19 20 26 14 3 11 4
C08J-005/20 25 2 24 16 5 27 2 5 11 20
B05D-005/12 24 25 15 23 5 33 3 54 6 4
H01M-002/14 20 37 6 42 6 20 3 41 8 6
H01M-008/0271 20 22 1 35 15 1 10 5
H01B-001/12 19 4 21 8 1 10 1 1 7 28
C08G-061/12 8 36 1 11 3 4 31
H01M-002/16 7 5 3 11 24 5 19 4 7
C08G-081/00 6 4 1 4 6 28
C08G-065/40 5 8 2 5 5 5 15
C08G-061/00 4 31 1 5 1 1 2 36
C08G-061/10 4 7 1 2 3 30
H01M-008/18 3 10 6 3 2 27 6 7 4
C08G-075/23 2 2 4 4 27
H01M-008/1032 1 2 1 1 2
C08L-065/00 1 1 17 1 2 11
H01M-012/06 1 2 3 1 1
H01M-008/10 87 56 266 109 218 163 198 176 95 179
H01M-008/02 114 63 215 102 186 178 158 177 71 100
H01M-008/04 140 17 9 84 11 2 9 8 28 92
H01M-004/86 28 49 132 38 75 52 59 16 42 25
H01M-004/88 23 82 151 42 95 10 62 18 21 20
H01M-008/24 26 3 4 27 6 1 12 35
H01B-001/06 5 42 3 13 152 86 140 26 3
H01M-004/90 8 67 33 10 7 1 6 8 12 3
H01B-013/00 2 18 4 35 34 57 4
H01M-008/06 20 2 1 18 4 7 1 12 35
H01M-004/96 8 5 22 6 29 7 51 9 3 3
H01M-004/92 44 24 17 2 3 14 4 15 3
H01M-008/00 30 9 11 23 8 11 11 15 6
C08J-005/22 14 22 13 12 62 33 82 44
H01M-008/12 4 3 1 1 2 2 1 11 5
H01M-008/1018 15 6 4 26 1 34 43
B01J-023/42 16 13 1 4 1 2 5 2
H01M-008/1004 14 9 15 21 2 1 17 1 35
C01B-003/38 2 1 3 16
C08J-005/20 1 1 6 6 13 8 24 7
B05D-005/12 3 6 3 3 2 1
H01M-002/14 3 2 8 2 1 3 1
H01M-008/0271 2 15 5 4
H01B-001/12 1 2 12 22 15 5
C08G-061/12 1 4 11 2 76 7 5 27
H01M-002/16 2 26 5 5 5 1 3
C08G-081/00 1 3 7 8 7
C08G-065/40 3 3 32 38 46 18
C08G-061/00 3 56 2 1 6
C08G-061/10 1 6 23 1 3 5
H01M-008/18 2 14 13 1 5 31 1
C08G-075/23 1 2 3 2 8 4 17 8
H01M-008/1032 1 1 1 1 6 1 27
C08L-065/00 2 2 23 2 12
H01M-012/06 1 7 1