CPC Main Group
H01S 5/00 Semiconductor lasers (superluminescent diodes H10H20/00)
Filing statistics
CPC H01S 5/00 belongs to the parent subclass H01S, which recorded 71,652 patent applications worldwide between 2013 and 2023. Annual filings grew from 4,061 in 2013 to 6,752 in 2023 (+66%), peaking at 8,409 applications in 2020. The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).
Source: EPO PATSTAT, worldwide filings
10 direct subcodes
Child Classifications
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- H01S 5/02 Structural details or components not essential to laser action
- H01S 5/04 Processes or apparatus for excitation, e.g. pumping, (H01S5/06 takes precedence)
- H01S 5/06 Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S 5/10 Construction or shape of the optical resonator
- H01S 5/20 Structure or shape of the semiconductor body to guide the optical wave
- H01S 5/30 Structure or shape of the active region; Materials used for the active region
- H01S 5/40 Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30 (H01S5/50 takes precedence)
- H01S 5/50 Amplifier structures not provided for in groups H01S5/02 - H01S5/30
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080