F16C 2370/22
Polygon mirror
F16C2370/22 (Polygon mirror) appears on 17 US grants and 7 published applications in this corpus.
Search patents in F16C- Granted patents
- 17
- Published applications
- 7
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 5 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Actuator5 Nov 2024US 12,135,466 B2Nidec Corporation
- Bearing assembly for a lithography system, and lithography system20 Aug 2019US 10,386,732 B2Carl Zeiss SMT GmbH
- Hydrodynamic type oil-impregnated sintered bearing2 Aug 2011US 7,988,361 B1Ntn Corporation
- Hydrodynamic bearing unit18 Jan 2005US 6,843,602 B2Ntn Corporation
- Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing9 Mar 2004US 6,702,466 B2Ngk Spark Plug Co., Ltd.
- Actuator3 Mar 2022US 2022/0066132 A1Nidec Corporation
- Dynamic pressure bearing and method for manufacturing same14 Mar 2019US 2019/0078617 A1Ntn Corporation
- Bearing assembly for a lithography system, and lithography system14 Mar 2019US 2019/0079417 A1Carl Zeiss SMT GmbH
- Bearing assembly and scanning motor2 Jun 2011US 2011/0127867 A1Samsung Electro-Mechanics Co., Ltd.
- Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing12 Dec 2002US 2002/0186903 A1Ngk Spark Plug Co., Ltd.
Most cited
By later US patents
- Optical deflector with a pneumatic and a magnetic bearing60US 4,726,640 ARicoh Company, Ltd. · 1988
- Shaft support assembly for use in a polygon mirror drive motor59US 5,254,893 A1993
- Electric motor unit38US 4,443,043 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- Dynamic pressure gas bearing device35US 4,805,972 ANippon Seiko Kabushiki Kaisha · 1989
- Sealed magnetic fluid bearing for polygon mirror drive motor28US 5,325,006 AHitachi, Ltd. · 1994