Light source module
US-11555983-B2 · Jan 17, 2023 · US
Apparatus or processes for the manufacture of optical heads, e.g. assembly
Apparatus or processes for the manufacture of optical heads, e.g. assembly · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B7/22 |
| Official title | Apparatus or processes for the manufacture of optical heads, e.g. assembly |
| Display label | Apparatus or processes for the manufacture of optical heads, e.g. assembly |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 11 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2021 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical unit
US-11141817-B2 · Oct 12, 2021 · US
Light source module
US-2021263261-A1 · Aug 26, 2021 · US
Optical unit
US-2019262943-A1 · Aug 29, 2019 · US
Optical pickup
US-10283157-B2 · May 7, 2019 · US
Optical pickup
US-2018268856-A1 · Sep 20, 2018 · US
Thermally-assisted magnetic recording head having symmetric optical side shields
US-10068596-B2 · Sep 4, 2018 · US
Fixed position controller and method
US-10031083-B2 · Jul 24, 2018 · US
Polarization state converting element
US-10031270-B2 · Jul 24, 2018 · US
Thermally-assisted magnetic recording head having symmetric optical side shields
US-2018096702-A1 · Apr 5, 2018 · US
Fixed position controller and method
US-2017307532-A1 · Oct 26, 2017 · US
Polarization state converting element
US-2017219755-A1 · Aug 3, 2017 · US
Protective member and method for using protective member
US-9500861-B2 · Nov 22, 2016 · US
Plasmonic transducer having two metal elements with a gap disposed therebetween
US-9502069-B2 · Nov 22, 2016 · US
Plasmon generator including a main body and a front protrusion
US-2016307592-A1 · Oct 20, 2016 · US
Plasmon generator including a main body and a front protrusion
US-9472230-B1 · Oct 18, 2016 · US
Heat-assisted-magnetic-recording head, semiconductor laser element, and method for manufacturing semiconductor laser element
US-2016300592-A1 · Oct 13, 2016 · US
Protective member
US-2016259162-A1 · Sep 8, 2016 · US
Lens driving device and optical disc apparatus
US-9297979-B2 · Mar 29, 2016 · US
Optical element holder and optical pickup provided with same
US-9299383-B2 · Mar 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B7/22?
- CPC G11B7/22 is the Cooperative Patent Classification code for “Apparatus or processes for the manufacture of optical heads, e.g. assembly.”
- How many patents are filed under CPC G11B7/22 (Apparatus or processes for the manufacture of optical heads, e.g. assembly)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC G11B7/22 growing?
- Publication counts under this code: 2 in 2021 vs 1 in 2023 (latest complete years).