A63F 2009/2445
Detecting reflected light
Official title: {detecting reflected light}
A63F2009/2445 (Detecting reflected light) appears on 51 US grants and 42 published applications in this corpus.
Search patents in A63F- Granted patents
- 51
- Published applications
- 42
- Assignees
- 30
- Inventors
- 91
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 4 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 4 |
| 2016 | 5 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 2 | 1 |
| 2021 | 4 | 4 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Card-handling devices with defect detection and related methods30 Dec 2025US 12,510,351 B2Shuffle Master, Inc.
- Roulette wheel reading apparatus17 Jun 2025US 12,330,072 B2TCS John Huxley Europe Limited
- Game board device25 Mar 2025US 12,257,514 B2Pixart Imaging Inc.
- Game board device23 Apr 2024US 11,964,212 B2Pixart Imaging Inc.
- Information processing device and information processing method2 Apr 2024US 11,944,887 B2Sony Corporation
- Game board device4 Jul 2024US 2024/0216787 A1Pixart Imaging Inc.
- Card-handling devices with defect detection and related methods28 Mar 2024US 2024/0102794 A1Shuffle Master, Inc.
- Game board device29 Jun 2023US 2023/0201706 A1Pixart Imaging Inc.
- Roulette wheel reading apparatus16 Mar 2023US 2023/0084418 A1TCS John Huxley Europe Limited
- Pinball Tracking System19 May 2022US 2022/0152472 A1
Most cited
By later US patents
- Card game hand counter/decision counter device320US 5,803,808 A1998
- Card reader for blackjack table262US 5,362,053 ATech Art, Inc. · 1994
- Card reader for blackjack table252US 5,681,039 ATech Art, Inc. · 1997
- Card mark sensor and methods for blackjack209US 5,224,712 ANo Peek 21 · 1993
- Card reader for blackjack table168US 5,039,102 ATech Art, Inc. · 1991