Assignee
CHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS
CN·20 granted patents·10 pending applications·7 citations·filing 2014–2025
Top patents by PatentIndex Score
30 records- 0192US12392602B1Littrow grating interferometry device and use thereofCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2025·Granted Aug 19, 2025·1 cites·7 claims
- 0286US11876341B1Thin-disk regenerative amplifier and amplification methodCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Granted Jan 16, 2024·1 cites·7 claims
- 0385US12241739B1Bidirectional Littrow two-degree-of-freedom grating interference measurement device based on double gratingsCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Granted Mar 4, 2025·1 cites·4 claims
- 0481US10333265B2Spectral beam combined laser system and methodCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2018·Granted Jun 25, 2019·4 cites·16 claims
- 0567US2023173639A1Precision calibrating device for magnetorheological polishing device and method thereofCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Application pending·0 cites
- 0666US2026081402A1Radiation emitter and method of fabricating radiation emittersCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Application pending·0 cites
- 0763US2025105586A1Radiation emitter and method of fabricating radiation emittersCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Application pending·0 cites
- 0863US2025258326A1Directional radiation device and applicationCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2025·Application pending·0 cites
- 0962US12100935B2Radiation emitterCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2021·Granted Sep 24, 2024·0 cites·4 claims
- 1061US2025076546A1Planar micro-nano optical analog computing deviceCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Application pending·0 cites
- 1160US12470044B2Two-dimensional photonic crystal surface emitting laserCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Granted Nov 11, 2025·0 cites·8 claims
- 1260US12188794B1Grating displacement measurement device and method using double-layer floating reading head, medium, and apparatusCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Granted Jan 7, 2025·0 cites·8 claims
- 1360US11870207B1Laser deviceCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Granted Jan 9, 2024·0 cites·10 claims
- 1459US12405570B2Method and device for compensating surface error of holographic grating substrateCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Granted Sep 2, 2025·0 cites·3 claims
- 1554US12392599B1Hybrid displacement measuring deviceCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2025·Granted Aug 19, 2025·0 cites·9 claims
- 1654US2026009640A1Autonomous fusion tracking method based on sensors of photoelectric theodoliteCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2025·Application pending·0 cites
- 1752US11860057B2Heterodyne one-dimensional grating measuring device and measuring method thereofCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 1852US2024337535A1Polarization intelligent sensing system and polarization intelligent sensing methodCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2024·Application pending·0 cites
- 1952US2023231363A1Surface-emitting semiconductor laser based on a triple-lattice photonic crystal structureCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Application pending·0 cites
- 2051US11936163B2Radiation emitterCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2021·Granted Mar 19, 2024·0 cites·19 claims
- 2149US12095230B2Vertical-cavity surface-emitting laserCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2020·Granted Sep 17, 2024·0 cites·16 claims
- 2248US12353507B1Method for determining error component of photoelectric theodolite and method for compensating error component of photoelectric theodoliteCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2025·Granted Jul 8, 2025·0 cites·7 claims
- 2348US10768434B2Laser beam combining systemCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2019·Granted Sep 8, 2020·0 cites·20 claims
- 2448US2023341667A1Symmetric imaging plane free-form surface optical system having a two-dimensional large field of viewCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Application pending·0 cites
- 2547US11495707B2AlGaN unipolar carrier solar-blind ultraviolet detector and manufacturing method thereofCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2021·Granted Nov 8, 2022·0 cites·20 claims
- 2646US11415781B2Microobjective optical system and optical deviceCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2020·Granted Aug 16, 2022·0 cites·10 claims
- 2746US2022146249A1Grating displacement measuring device and method based on conical diffractionCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2022·Application pending·0 cites
- 2845US11146038B2Semiconductor laser and fabrication method thereofCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2019·Granted Oct 12, 2021·0 cites·10 claims
- 2943US12352624B2Coaxial four-reflection optical system for visible light long-wave infrared common-aperture imagingCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2023·Granted Jul 8, 2025·0 cites·9 claims
- 3036US10012491B2Large numerical aperture phase-shifting dual pinhole diffraction interferometer and its test methodCHANGCHUN INST OPTICS FINE MECH & PHYSICS CAS·Filed 2014·Granted Jul 3, 2018·0 cites·2 claims
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