G03G 15/0435
By introducing an optical element in the optical path
Official title: {by introducing an optical element in the optical path, e.g. a filter}
G03G15/0435 (By introducing an optical element in the optical path) appears on 746 US grants and 649 published applications in this corpus.
Search patents in G03G- Granted patents
- 746
- Published applications
- 649
- Assignees
- 103
- Inventors
- 1,168
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 18 | 0 |
| 1991 | 13 | 0 |
| 1992 | 15 | 0 |
| 1993 | 19 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 3 |
| 2003 | 4 | 7 |
| 2004 | 9 | 14 |
| 2005 | 5 | 6 |
| 2006 | 4 | 33 |
| 2007 | 10 | 38 |
| 2008 | 21 | 55 |
| 2009 | 21 | 77 |
| 2010 | 51 | 65 |
| 2011 | 45 | 60 |
| 2012 | 56 | 20 |
| 2013 | 48 | 41 |
| 2014 | 51 | 21 |
| 2015 | 38 | 25 |
| 2016 | 22 | 19 |
| 2017 | 19 | 7 |
| 2018 | 15 | 25 |
| 2019 | 19 | 17 |
| 2020 | 16 | 10 |
| 2021 | 8 | 11 |
| 2022 | 8 | 10 |
| 2023 | 11 | 9 |
| 2024 | 4 | 29 |
| 2025 | 12 | 33 |
| 2026 | 13 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Casing for optical scanning device, including positioning mechanism that positions main body on upper side with respect to main body on lower side, in horizontal and height directions, and optical scanning device having such casing6 Oct 2026US 12,752,559 B2KYOCERA Document Solutions Inc.
- Optical scanning device and image forming apparatus29 Sep 2026US 12,748,362 B2Canon Kabushiki Kaisha
- Optical scanning device and image forming apparatus25 Aug 2026US 12,717,129 B2Sharp Kabushiki Kaisha
- Metal material printing equipment and printing method, and printed metal material obtained therefrom18 Aug 2026US 12,710,719 B2Posco
- Laser scanning unit, image forming apparatus, and one and two-point supports for mirrors and lenses2 Jun 2026US 12,645,167 B2KYOCERA Document Solutions Inc.
- Image forming apparatus3 Sep 2026US 2026/0259517 A1Canon Kabushiki Kaisha
- Optical scanning device and image forming apparatus including the same23 Jul 2026US 2026/0208498 A1KYOCERA Document Solutions Inc.
- Multi-function peripheral18 Jun 2026US 2026/0169421 A1Kinpo Electronics, Inc.
- Exposure device and image forming apparatus including exposure device4 Jun 2026US 2026/0153813 A1Sharp Kabushiki Kaisha
- Optical apparatus, scanning optical apparatus, and image forming apparatus21 May 2026US 2026/0140459 A1Konica Minolta, Inc.
Most cited
By later US patents
- Light energy control system and method of operation71US 5,101,236 ATexas Instruments Incorporated · 1992
- Color management methods and apparatus for lighting devices71US 7,710,369 B2Philips Solid-State Lighting Solutions, Inc. · 2010
- Linear driving apparatus70US 5,208,497 ASharp Kabushiki Kaisha · 1993
- Replaceable elements for xerographic printing process and method of operation55US 5,237,340 ATexas Instruments Incorporated · 1993
- Laser recording apparatus54US 4,679,057 AMinolta Camera Kabushiki Kaisha · 1987