国家/地区 中国(57)
IPC部 C(28) B(21) G(13)
H(12) A(5)
IPC大类 C01(11) B01(10) G01(9)
H01(8) C08(5) C09(5)
H05(5) A61(4) B29(3)
B32(3) C02(3) G21(3)
B22(2) B65(2) B82(2)
IPC小类 C01B(10) B01J(8) C08L(5)
G01N(5) C08K(4) C09D(4)
A61H(3) B29C(3) B32B(3)
C02F(3) G21F(3) H01G(3)
H05B(3) B82Y(2) C22C(2)
IPC C08K003/04(4) B01J020/30(3) B32B033/00(3)
C01B032/184(3) C01B032/198(3) C09D005/08(3)
C09D007/61(3) G01N021/76(3) G21F009/12(3)
H01G011/24(3) H01G011/30(3) H01G011/86(3)
A61H033/04(2) B01J019/18(2) B01J020/20(2)
发明人 LIU B(58)
公开年 2020(35) 2019(21) 2021(2)
申请年 2019(58)
专利权人 QIHUA PHOTOE.(7) UNIV KUNMING.(4) UNIV BEIJING.(3) UNIV SOUTHWE.(3)
UNIV SOUTHWE.(3) XUZHOU YUFAN.(3) CHINA NAT PE.(2) CHINESE ACAD.(2)
CNPC ENG TEC.(2) CNPC OFFSHOR.(2) DONGGUAN CAN.(2) LIU B(2)
UNIV NORTH C.(2)