Electromagnetic waves

Introduced: January 2018

Full Title

Full titles differ between systems:

IPC:

Surface treatment of fibres or filaments made from glass, minerals or slags > by application of electric or wave energy; by particle radiation or ion implantation > Electromagnetic waves

CPC:

Surface treatment of fibres or filaments made from glass, minerals or slags > by application of electric or wave energy (for drying or dehydration C03C25/64); by particle radiation or ion implantation > Electromagnetic waves

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2018.

Child Classifications

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C03C 25/6208 Laser since 2018 IPC+CPC Available in IPC and CPC
C03C 25/621 Microwaves since 2018 IPC+CPC Available in IPC and CPC
C03C 25/6213 Infrared since 2018 IPC+CPC Available in IPC and CPC
C03C 25/622 Visible light since 2018 IPC+CPC Available in IPC and CPC
C03C 25/6226 Ultraviolet since 2018 IPC+CPC Available in IPC and CPC
C03C 25/624 X-Rays since 2018 IPC+CPC Available in IPC and CPC
C03C 25/6246 Gamma rays since 2018 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

CORNING US 8,800
SAINT-GOBAIN GLASS FR 3,535
NIPPON ELECTRIC GLASS COMPANY JP 2,675
NIPPON ELECTRIC GLASS COMPANY 2,616
AGC JP 1,911
SCHOTT DE 1,846
ASAHI GLASS COMPANY JP 1,632
CORNING 1,556
A G C 1,250
SEKISUI CHEMICAL COMPANY JP 1,087

Top Applicants (CPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

CORNING US 9,559
SAINT-GOBAIN GLASS FR 3,824
NIPPON ELECTRIC GLASS COMPANY JP 2,792
SCHOTT DE 2,029
AGC JP 1,938
ASAHI GLASS COMPANY JP 1,679
CORNING 1,650
NIPPON ELECTRIC GLASS COMPANY 1,501
A G C 1,049
O-I (OWENS-ILLINOIS) US 1,027