Storage mediums and methods of making the same
US-12431164-B2 · Sep 30, 2025 · US
Preparing a master, e.g. exposing photoresist, electroforming
Preparing a master, e.g. exposing photoresist, electroforming · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B7/261 |
| Official title | {Preparing a master, e.g. exposing photoresist, electroforming} |
| Display label | Preparing a master, e.g. exposing photoresist, electroforming |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Storage mediums and methods of making the same
US-2024347075-A1 · Oct 17, 2024 · US
Cylindrical base, master and master manufacturing method
US-12097675-B2 · Sep 24, 2024 · US
Displacement detection device
US-11512942-B2 · Nov 29, 2022 · US
Cylindrical base, master and master manufacturing method
US-2021387429-A1 · Dec 16, 2021 · US
Cylindrical base, master and master manufacturing method
US-11090886-B2 · Aug 17, 2021 · US
Method and device for irradiating spots on a layer
US-RE48515-E · Apr 13, 2021 · US
Method for manufacturing information recording medium
US-10706885-B2 · Jul 7, 2020 · US
Displacement Detection Device
US-2020158494-A1 · May 21, 2020 · US
Heat-reactive resist material, mold manufacturing method, mold, development method and pattern formation material
US-10409164-B2 · Sep 10, 2019 · US
Data storage medium and manufacturing method thereof, data storage medium, data read out apparatus and data read out method
US-10380470-B2 · Aug 13, 2019 · US
Cylindrical base, master and master manufacturing method
US-10207470-B2 · Feb 19, 2019 · US
Data storage medium and manufacturing method thereof, data storage medium, data read out apparatus and data read out method
US-2018293477-A1 · Oct 11, 2018 · US
Cylindrical base, master and master manufacturing method
US-2018281239-A1 · Oct 4, 2018 · US
Method for manufacturing information recording medium
US-2018268858-A1 · Sep 20, 2018 · US
Method and device for irradiating spots on a layer
US-RE46433-E · Jun 13, 2017 · US
Method of writing to an optical data storage medium, method of reading from an optical data storage medium, and optical data storage medium
US-9633685-B2 · Apr 25, 2017 · US
Anti-piracy feature for optical discs
US-9589590-B2 · Mar 7, 2017 · US
Cylindrical Base, Master and Master Manufacturing Method
US-2016214282-A1 · Jul 28, 2016 · US
Recording apparatus, recording method, and pattern forming medium
US-9314872-B2 · Apr 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B7/261?
- CPC G11B7/261 is the Cooperative Patent Classification code for “Preparing a master, e.g. exposing photoresist, electroforming.”
- How many patents are filed under CPC G11B7/261 (Preparing a master, e.g. exposing photoresist, electroforming)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC G11B7/261 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).