B43L 13/18
Having optical or projecting equipment
Official title: having optical or projecting equipment (optical systems or apparatus G02B; projectors G03B)
B43L13/18 (Having optical or projecting equipment) appears on 31 US grants and 9 published applications in this corpus.
Search patents in B43L- Granted patents
- 31
- Published applications
- 9
- Assignees
- 16
- Inventors
- 42
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Artist perspective tool13 Sep 2022US 11,440,338 B2
- Handwriting support device, handwriting support method and program11 Jan 2022US 11,222,563 B2FUJIFILM Corporation
- Autograph support device15 Dec 2020US 10,864,765 B2FUJIFILM Corporation
- Artist perspective tool1 Dec 2020US 10,850,554 B2
- Electronic apparatus, method of controlling the same, and computer-readable recording medium12 Jun 2018US 9,998,671 B2Oceans Ltd.
- Artist perspective tool25 Feb 2021US 2021/0053384 A1
- Handwriting support device, handwriting support method and program29 Oct 2020US 2020/0342798 A1FUJIFILM Corporation
- Artist perspective tool11 Jun 2020US 2020/0180350 A1
- Autograph support device2 Jan 2020US 2020/0001646 A1FUJIFILM Corporation
- Slope Adjustable Illuminated Art and Drafting Table11 Oct 2018US 2018/0289148 A1Studio Designs, Inc.
Most cited
By later US patents
- Electronic print board54US 4,587,568 AOki Electric Industry Co., Ltd. · 1986
- Video communication system allowing graphic additions to the images communicated24US 4,371,893 A1983
- Matting device22US 4,461,086 A1984
- Educational kit18US 5,785,528 AInvicta Toys & Games Limited · 1998
- Drawing aid12US 5,217,376 A1993