G09B 5/14
With provision for individual teacher-student communication
Official title: with provision for individual teacher-student communication
G09B5/14 (With provision for individual teacher-student communication) appears on 423 US grants and 520 published applications in this corpus.
Search patents in G09B- Granted patents
- 423
- Published applications
- 520
- Assignees
- 322
- Inventors
- 1,245
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 21 | 0 |
| 1999 | 26 | 0 |
| 2000 | 29 | 0 |
| 2001 | 18 | 4 |
| 2002 | 17 | 18 |
| 2003 | 12 | 14 |
| 2004 | 14 | 10 |
| 2005 | 5 | 7 |
| 2006 | 3 | 5 |
| 2007 | 5 | 13 |
| 2008 | 0 | 12 |
| 2009 | 2 | 13 |
| 2010 | 1 | 6 |
| 2011 | 0 | 8 |
| 2012 | 3 | 14 |
| 2013 | 6 | 15 |
| 2014 | 5 | 18 |
| 2015 | 6 | 19 |
| 2016 | 9 | 31 |
| 2017 | 15 | 33 |
| 2018 | 11 | 39 |
| 2019 | 19 | 33 |
| 2020 | 17 | 36 |
| 2021 | 29 | 34 |
| 2022 | 25 | 45 |
| 2023 | 19 | 29 |
| 2024 | 15 | 31 |
| 2025 | 19 | 25 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- System and methods for selecting music on the basis of subjective content1,226US 5,616,876 AMicrosoft Corporation · 1997
- On-line health education and feedback system using motivational driver profile coding and automated content fulfillment951US 5,879,163 AHealth Hero Network, Inc. · 1999
- Agent based instruction system and method868US 5,727,950 ANetsage Corporation · 1998
- Method and apparatus for audio-visual interface for the selective display of listing information on a display771US 5,583,560 AApple Computer, Inc. · 1996
- Surgical procedure capture, modelling, and editing interactive playback745US 9,396,669 B2Microsoft Technology Licensing, LLC · 2016