SM4 acceleration processors, methods, systems, and instructions
US-10476667-B2 · Nov 12, 2019 · US
Special purpose encoding of instructions, e.g. Gray coding
Special purpose encoding of instructions, e.g. Gray coding · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06F9/30156 |
| Official title | {Special purpose encoding of instructions, e.g. Gray coding} |
| Display label | Special purpose encoding of instructions, e.g. Gray coding |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 21 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
SM4 acceleration processors, methods, systems, and instructions
US-10469249-B2 · Nov 5, 2019 · US
Method and apparatus to process sha-2 secure hashing algorithm
US-2019332378-A1 · Oct 31, 2019 · US
SM4 acceleration processors, methods, systems, and instructions
US-10454669-B2 · Oct 22, 2019 · US
SM4 acceleration processors, methods, systems, and instructions
US-10447468-B2 · Oct 15, 2019 · US
SM4 acceleration processors, methods, systems, and instructions
US-10425222-B2 · Sep 24, 2019 · US
SM4 acceleration processors, methods, systems, and instructions
US-10419210-B2 · Sep 17, 2019 · US
Methods and apparatuses for command shifter reduction
US-2019272861-A1 · Sep 5, 2019 · US
Binary-to-gray conversion circuit, related fifo memory, integrated circuit and method
US-2019265947-A1 · Aug 29, 2019 · US
Encoding instructions identifying first and second architectural register numbers
US-10331449-B2 · Jun 25, 2019 · US
Method and apparatus to process SHA-2 secure hashing algorithm
US-10331451-B2 · Jun 25, 2019 · US
Sm4 acceleration processors, methods, systems, and instructions
US-2019109705-A1 · Apr 11, 2019 · US
Sm4 acceleration processors, methods, systems, and instructions
US-2019109704-A1 · Apr 11, 2019 · US
Sm4 acceleration processors, methods, systems, and instructions
US-2019036684-A1 · Jan 31, 2019 · US
Sm4 acceleration processors, methods, systems, and instructions
US-2019036683-A1 · Jan 31, 2019 · US
Sm4 acceleration processors, methods, systems, and instructions
US-2018375642-A1 · Dec 27, 2018 · US
Method and apparatus to process SHA-2 secure hashing algorithm
US-10146544-B2 · Dec 4, 2018 · US
Method and apparatus to process SHA-2 secure hashing algorithm
US-10127042-B2 · Nov 13, 2018 · US
Methods and apparatus for storage and translation of an entropy encoded instruction sequence to executable form
US-10120692-B2 · Nov 6, 2018 · US
Method and apparatus to process SHA-2 secure hashing algorithm
US-10108805-B2 · Oct 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06F9/30156?
- CPC G06F9/30156 is the Cooperative Patent Classification code for “Special purpose encoding of instructions, e.g. Gray coding.”
- How many patents are filed under CPC G06F9/30156 (Special purpose encoding of instructions, e.g. Gray coding)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC G06F9/30156 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).