System to perform unary functions using range-specific coefficient sets
US-2019384575-A1 · Dec 19, 2019 · US
Logarithmic or exponential functions
Logarithmic or exponential functions · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06F7/556 |
| Official title | Logarithmic or exponential functions |
| Display label | Logarithmic or exponential functions |
| Total patents | 259 |
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 | 11 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 27 |
| 2020 | 31 |
| 2021 | 41 |
| 2022 | 33 |
| 2023 | 27 |
| 2024 | 30 |
| 2025 | 23 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transcendental function evaluation
US-2019369962-A1 · Dec 5, 2019 · US
Evaluating quantum computing circuits in view of the resource costs of a quantum algorithm
US-2019361675-A1 · Nov 28, 2019 · US
Approximating Functions
US-2019347073-A1 · Nov 14, 2019 · US
Secure computation system, secure computation device, secure computation method, and program
US-2019333415-A1 · Oct 31, 2019 · US
Secure computation system, secure computation device, secure computation method, and program
US-2019310829-A1 · Oct 10, 2019 · US
Approximating functions
US-10402167-B2 · Sep 3, 2019 · US
Method and processing apparatus for performing arithmetic operation
US-2019243609-A1 · Aug 8, 2019 · US
Approximating functions
US-2019205096-A1 · Jul 4, 2019 · US
Method and apparatus for detecting type of network data flow
US-10333854-B2 · Jun 25, 2019 · US
Logarithm and power (exponentiation) computations using modern computer architectures
US-10303439-B2 · May 28, 2019 · US
Verification of hardware designs to implement floating point power functions
US-2019147122-A1 · May 16, 2019 · US
Approximating functions
US-10268450-B2 · Apr 23, 2019 · US
Verification of hardware designs to implement floating point power functions
US-10229236-B2 · Mar 12, 2019 · US
Hardware accelerator for online estimation
US-2019050370-A1 · Feb 14, 2019 · US
Ranking defects with yield impacts
US-10191107-B2 · Jan 29, 2019 · US
Neural network computing
US-2019026076-A1 · Jan 24, 2019 · US
Apparatus and method for generating efficient convolution
US-2018349317-A1 · Dec 6, 2018 · US
Model calculation unit, control unit and method for calibrating a data-based function model
US-10146248-B2 · Dec 4, 2018 · US
Method for rejecting tuning disturbances to improve lamp failure prediction quality in thermal processes
US-10140394-B2 · Nov 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06F7/556?
- CPC G06F7/556 is the Cooperative Patent Classification code for “Logarithmic or exponential functions.”
- How many patents are filed under CPC G06F7/556 (Logarithmic or exponential functions)?
- Our database includes 259 publications tagged with this CPC code.
- Is patent activity under CPC G06F7/556 growing?
- Publication counts under this code: 30 in 2024 vs 23 in 2025 (latest complete years).