IPC Main Group
G02B 21/00 Microscopes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
Additional Content
Measuring microscopes
Related Keywords
optical MICROSCOPES
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G02B 21/02 Objectives
- G02B 21/06 Means for illuminating specimen
- G02B 21/16 adapted for ultraviolet illumination
- G02B 21/18 Arrangements with more than one light-path, e.g. for comparing two specimens
- G02B 21/24 Base structure
- G02B 21/32 Micromanipulators structurally combined with microscopes
- G02B 21/33 Immersion oils
- G02B 21/34 Microscope slides, e.g. mounting specimens on microscope slides
- G02B 21/36 arranged for photographic purposes or projection purposes
Top Applicants
Top 10 applicants by patent filingsfor class G02, 2013–2023, worldwide · Source: EPO PATSTAT
- BOE TECHNOLOGY GROUP COMPANY 13,460
- BOE TECHNOLOGY GROUP COMPANY CN 11,745
- SAMSUNG DISPLAY KR 10,908
- CANON 9,072
- FUJIFILM JP 7,957
- SAMSUNG ELECTRONICS COMPANY KR 7,805
- LG DISPLAY COMPANY KR 6,558
- CHINESE ACADEMY OF SCIENCES 5,855
- NITTO DENKO CORPORATION JP 5,817
- OLYMPUS CORPORATION JP 4,579