Magnetically differentiated and located board game pieces
US-2025387694-A1 · Dec 25, 2025 · US
using inductance
using inductance · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A63F2003/00665 |
| Official title | {using inductance} |
| Display label | using inductance |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Game medium identification system, computer program and control method thereof
US-12070697-B2 · Aug 27, 2024 · US
Play system and method for detecting toys
US-11583784-B2 · Feb 21, 2023 · US
Resonant coils for use with games and toys
US-10994191-B2 · May 4, 2021 · US
Play system and method for detecting toys
US-2020391134-A1 · Dec 17, 2020 · US
Game medium identification system, computer program and control method thereof
US-2020391100-A1 · Dec 17, 2020 · US
Interactive gaming toy
US-2020330857-A1 · Oct 22, 2020 · US
Interactive gaming toy
US-10583357-B2 · Mar 10, 2020 · US
Resonant coils for use with games and toys
US-2019381392-A1 · Dec 19, 2019 · US
System and method for multiple object detection on a digitizer system
US-10503340-B2 · Dec 10, 2019 · US
Resonant coils for use with games and toys
US-10413807-B2 · Sep 17, 2019 · US
Game board
US-10307661-B2 · Jun 4, 2019 · US
Interactive gaming toy
US-2019009171-A1 · Jan 10, 2019 · US
Interactive gaming toy
US-9993724-B2 · Jun 12, 2018 · US
Information reading system, information reading apparatus, storage medium having stored therein information reading program, and information reading method
US-9923606-B2 · Mar 20, 2018 · US
Resonant coils for use with games and toys
US-2018021666-A1 · Jan 25, 2018 · US
System and method for multiple object detection on a digitizer system
US-2017336897-A1 · Nov 23, 2017 · US
Resonant coils for use with games and toys
US-9776071-B2 · Oct 3, 2017 · US
System and method for multiple object detection on a digitizer system
US-9746981-B2 · Aug 29, 2017 · US
Information processing system, information processing apparatus, storage medium having stored therein information processing program, and information processing method
US-9716533-B2 · Jul 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A63F2003/00665?
- CPC A63F2003/00665 is the Cooperative Patent Classification code for “using inductance.”
- How many patents are filed under CPC A63F2003/00665 (using inductance)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC A63F2003/00665 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).