B41J 2/471
Using dot sequential main scanning by means of a light deflector
Official title: {using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror}
B41J2/471 (Using dot sequential main scanning by means of a light deflector) appears on 1,533 US grants and 1,139 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,533
- Published applications
- 1,139
- Assignees
- 216
- Inventors
- 1,866
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 16 | 0 |
| 1991 | 16 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 25 | 0 |
| 1995 | 37 | 0 |
| 1996 | 29 | 0 |
| 1997 | 39 | 0 |
| 1998 | 70 | 0 |
| 1999 | 56 | 0 |
| 2000 | 58 | 0 |
| 2001 | 65 | 24 |
| 2002 | 43 | 57 |
| 2003 | 37 | 56 |
| 2004 | 57 | 63 |
| 2005 | 44 | 69 |
| 2006 | 59 | 71 |
| 2007 | 40 | 100 |
| 2008 | 55 | 96 |
| 2009 | 57 | 77 |
| 2010 | 77 | 63 |
| 2011 | 66 | 105 |
| 2012 | 86 | 70 |
| 2013 | 96 | 66 |
| 2014 | 100 | 26 |
| 2015 | 50 | 41 |
| 2016 | 41 | 23 |
| 2017 | 31 | 10 |
| 2018 | 18 | 18 |
| 2019 | 18 | 16 |
| 2020 | 17 | 11 |
| 2021 | 6 | 4 |
| 2022 | 5 | 14 |
| 2023 | 6 | 5 |
| 2024 | 8 | 17 |
| 2025 | 5 | 20 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bookbinding apparatus that creates book by bonding a plurality of sheets using toner11 Aug 2026US 12,704,798 B2Canon Kabushiki Kaisha
- Pattern transfer printing systems and methods21 Jul 2026US 12,686,224 B2Wuhan DR Laser Technology Corp,. LTD
- 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.
- Optical scanning apparatus and image forming apparatus5 May 2026US 12,617,215 B2Brother Kogyo Kabushiki Kaisha
- Marking method and marked receptacle28 Apr 2026US 12,611,873 B2Airnov, Inc.
- Optical scanning device and image forming apparatus1 Oct 2026US 2026/0299459 A1Konica Minolta, Inc.
- Scanning optical device and image forming apparatus3 Sep 2026US 2026/0259518 A1Canon Kabushiki Kaisha
- Light scanning apparatus and image forming apparatus including the same27 Aug 2026US 2026/0251996 A1Canon Kabushiki Kaisha
- Optical scanning device and image forming apparatus including same20 Aug 2026US 2026/0241708 A1KYOCERA Document Solutions Inc.
- Marking method and marked receptacle20 Aug 2026US 2026/0241709 A1Airnov, Inc.
Most cited
By later US patents
- Light modulator using large area light sources132US 5,049,901 ACreo Products Inc. · 1991
- Method of assembling and adjusting a multi-beam scanning optical apparatus and method of manufacturing a multi-beam scanning optical apparatus112US 9,442,288 B2Canon Kabushiki Kaisha · 2016
- Print method and apparatus for re-writable medium90US 5,866,284 AHewlett-Packard Company · 1999
- CO.sub.2 laser marking of coated surfaces for product identification85US 5,855,969 AInfosight Corporation · 1999
- Optical scanning lens, optical scanning device and image forming apparatus82US 6,400,391 B1Ricoh Company, Ltd. · 2002