Selection of substances for gas fillings; Specified operating pressure or temperature

Introduced: September 1968

Last revised: January 2006

Full Title

Details not provided for in groups and common to two or more basic types of discharge tubes or lamps > Selection of substances for gas fillings; Specified operating pressure or temperature

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

Related Keywords

selection of GAS(ES) fillings in discharge tubes

3 direct subcodes

Child Classifications

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H01J 7/04 having one or more carbon compounds as the principal constituent
H01J 7/06 having helium, argon, neon, krypton, or xenon as the principal constituent
H01J 7/08 having a metallic vapour as the principal constituent

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
SAMSUNG ELECTRONICS COMPANY KR 42,206
LG CHEM KR 21,383
APPLIED MATERIALS US 20,441
LG ENERGY SOLUTION KR 20,279
SAMSUNG DISPLAY KR 19,725
CHINESE ACADEMY OF SCIENCES 19,400
TOYOTA MOTOR CORPORATION 18,819
SGCC(STATE GRID CORPORATION OF CHINA) 18,082
TOKYO ELECTRON JP 17,634