G06K 15/1209
Intensity control of the optical beam
Official title: {Intensity control of the optical beam (G06K15/1223 takes precedence)}
G06K15/1209 (Intensity control of the optical beam) appears on 261 US grants and 119 published applications in this corpus.
Search patents in G06K- Granted patents
- 261
- Published applications
- 119
- Assignees
- 81
- Inventors
- 537
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 4 |
| 2002 | 4 | 7 |
| 2003 | 9 | 6 |
| 2004 | 4 | 10 |
| 2005 | 8 | 16 |
| 2006 | 9 | 8 |
| 2007 | 6 | 10 |
| 2008 | 7 | 7 |
| 2009 | 2 | 6 |
| 2010 | 8 | 4 |
| 2011 | 7 | 2 |
| 2012 | 7 | 13 |
| 2013 | 5 | 6 |
| 2014 | 6 | 5 |
| 2015 | 6 | 1 |
| 2016 | 2 | 1 |
| 2017 | 3 | 7 |
| 2018 | 5 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
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
- Image forming apparatus with variable light emission intentsity and computer-readable nonvolatile recording medium therefor29 Mar 2022US 11,287,760 B1Toshiba Tec Kabushiki Kaisha
- Covert marking22 Mar 2022US 11,281,946 B2Hewlett-Packard Development Company, L. P.
- Driving apparatus and image forming apparatus15 Feb 2022US 11,249,414 B1Toshiba Tec Kabushiki Kaisha
- Image forming apparatus4 Aug 2022US 2022/0245412 A1Toshiba Tec Kabushiki Kaisha
- Image forming apparatus10 Mar 2022US 2022/0076085 A1Toshiba Tec Kabushiki Kaisha
- Covert marking9 Dec 2021US 2021/0383177 A1Hewlett-Packard Development Company, L. P.
- Calibration of a print engine9 Sep 2021US 2021/0279533 A1HP Indigo B. V.
- Image forming apparatus4 Jun 2020US 2020/0174394 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Pulse width modulation circuit, optical write unit, image forming apparatus and optical write method95US 6,498,617 B1Ricoh Company, Ltd. · 2002
- System and method for enhancing graphic features produced by marking engines91US 5,515,480 ADP-Tek, Inc. · 1996
- Stabilized laser apparatus81US 4,734,914 AOlympus Optical Co., Ltd. · 1988
- Edge detection and sharpening process for an image71US 7,068,852 B2Zoran Corporation · 2006
- Image forming system using digital ASIC and analog ASIC for processing image data and controlling semiconductor laser, and half-tone pixel representing method57US 5,784,091 ARicoh Company, Ltd. · 1998