G06K 15/1214
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G06K15/1214 (By feedback) appears on 120 US grants and 40 published applications in this corpus.
Search patents in G06K- Granted patents
- 120
- Published applications
- 40
- Assignees
- 54
- Inventors
- 270
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 1 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 9 |
| 2006 | 4 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 3 | 5 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 3 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus31 Jan 2023US 11,568,188 B2Toshiba Tec Kabushiki Kaisha
- Image forming apparatus17 May 2022US 11,334,776 B2Toshiba Tec Kabushiki Kaisha
- Laser units6 Apr 2021US 10,971,893 B2HP Indigo B. V.
- Optical scanning device provided in electrophotographic image forming apparatus, image forming apparatus, and optical scanning method15 May 2018US 9,971,274 B2KYOCERA Document Solutions Inc.
- Data storage device modifying write operation when a laser mode hop is detected15 May 2018US 9,972,344 B2Western Digital Technologies, Inc.
- Image forming apparatus4 Aug 2022US 2022/0245412 A1Toshiba Tec Kabushiki Kaisha
- Image forming apparatus10 Mar 2022US 2022/0076085 A1Toshiba Tec Kabushiki Kaisha
- Calibration of a print engine9 Sep 2021US 2021/0279533 A1HP Indigo B. V.
- Laser units19 Dec 2019US 2019/0386458 A1HP Indigo B. V.
- Print head and image forming apparatus28 Dec 2017US 2017/0371267 A1Fuji Xerox Co., Ltd.
Most cited
By later US patents
- Stabilized laser apparatus81US 4,734,914 AOlympus Optical Co., Ltd. · 1988
- Method for correcting the beam intensity in an image recording apparatus using a multi-channel light modulator50US 6,956,596 B2Dainippon Screen Mfg.Co., Ltd. · 2005
- Apparatus for controlling the quantity of light44US 4,443,695 ACanon Kabushiki Kaisha · 1984
- Image forming apparatus37US 4,914,459 ARicoh Company, Ltd. · 1990
- Electronic drive circuit for multi-laser thermal printer35US 5,220,348 AEastman Kodak Company · 1993