G03B 2215/0535
Built-in diffusor
G03B2215/0535 (Built-in diffusor) appears on 73 US grants and 41 published applications in this corpus.
Search patents in G03B- Granted patents
- 73
- Published applications
- 41
- Assignees
- 28
- Inventors
- 99
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 4 |
| 2006 | 3 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 6 |
| 2009 | 1 | 5 |
| 2010 | 3 | 3 |
| 2011 | 1 | 1 |
| 2012 | 7 | 1 |
| 2013 | 5 | 1 |
| 2014 | 3 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Book-light and method of operating the same21 Apr 2026US 12,607,905 B2
- Camera mount and reflector system10 Sep 2024US 12,085,839 B2
- Optical lighting accessory for mobile phone devices with camera and flash18 Feb 2020US 10,564,519 B2iP TECH PROS Inc.
- Electronic flash, electronic camera and light emitting head18 Jun 2019US 10,326,970 B1FUJIFILM Corporation
- Electronic flash, electronic camera and light emitting head2 Apr 2019US 10,250,863 B2FUJIFILM Corporation
- Book-light and method of operating the same14 Aug 2025US 2025/0258422 A1
- Camera mount and reflector system25 May 2023US 2023/0161230 A1
- Electronic flash, electronic camera and light emitting head15 Aug 2019US 2019/0253684 A1FUJIFILM Corporation
- Optical lighting accessory for mobile phone devices with camera and flash8 Aug 2019US 2019/0243214 A1iP TECH PROS Inc.
- Electronic flash, electronic camera and light emitting head13 Jun 2019US 2019/0182463 A1FUJIFILM Corporation
Most cited
By later US patents
- Wide-angle/telephotography convertible camera with electronic flash52US 4,609,269 AFuji Photo Film Co., Ltd. · 1986
- Electronic flash and a camera provided with the same49US 5,895,128 AMinolta Co., Ltd. · 1999
- Multiple light emitting diodes with different secondary optics49US 7,461,948 B2Philips Lumileds Lighting Company, LLC · 2008
- Camera having a flash unit built therein34US 4,515,453 ANippon Kogaku K. K. · 1985
- Fill-in light emitting apparatus and still video camera30US 6,081,076 AAsahi Kogaku Kogyo Kabushiki Kaisha · 2000