Yoo; Jae-hwan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoo; Jae-hwan.The latest application filed is for "polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus".

Company Profile

0.16.19

Yoo; Jae-hwan - Yongin-si KR
Yoo; Jae-hwan - Yongsin-si KR
Yoo; Jae-hwan - Yongin KR
Yoo, Jae-hwan - Yongin-city KR
Yoo; Jae-hwan - Kyungki-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus Grant 9,075,339 - Lim , et al. July 7, 2	2015-07-07
Polygon Mirror Assembly, Light Scanning Unit Employing Polygon Mirror Assembly, And Image Forming Apparatus App 20140376966 - Lim; Heon-hee ; et al.	2014-12-25
Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus Grant 8,848,014 - Lim , et al. September 30, 2	2014-09-30
Weight-balanced Polygonal Mirror, Light Scanning Unit Using The Polygonal Mirror, And Image Forming Apparatus App 20140198171 - CHUN; Jin-kwon ; et al.	2014-07-17
Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus Grant 8,711,196 - Chun , et al. April 29, 2	2014-04-29
Polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus App 20120141167 - Chun; Jin-kwon ; et al.	2012-06-07
Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus App 20120127252 - Lim; Heon-hee ; et al.	2012-05-24
Semiconductor laser diode, printhead including the diode, and image forming apparatus including the diode App 20100315478 - Choi; An-sik ; et al.	2010-12-16
Beam deflector, light scanning unit and image forming apparatus having the same Grant 7,746,372 - Yoo June 29, 2	2010-06-29
Beam Deflector, Light Scanning Unit And Image Forming Apparatus Having The Same App 20090028603 - Yoo; Jae-hwan	2009-01-29
Light scanning unit Grant 7,466,332 - Yoo December 16, 2	2008-12-16
Optical scanning device and method for detecting synchronization signal Grant 7,450,287 - Yoo , et al. November 11, 2	2008-11-11
Light scanning apparatus Grant 7,348,549 - Yoo March 25, 2	2008-03-25
Multi-beam scanning unit and image forming apparatus having the same App 20070242125 - Yoo; Jae-hwan	2007-10-18
Laser scanning apparatus Grant 7,253,938 - Yoo August 7, 2	2007-08-07
Light scanning apparatus App 20070170356 - Yoo; Jae-Hwan	2007-07-26
Light scanning apparatus Grant 7,247,841 - Yoo July 24, 2	2007-07-24
Multi-beam scanning unit App 20070115528 - Kim; Hyung-soo ; et al.	2007-05-24
Laser scanning unit Grant 7,195,163 - Yoo March 27, 2	2007-03-27
Multi-beam scanning apparatus Grant 7,173,746 - Yoo , et al. February 6, 2	2007-02-06
Sub-scanning interval adjusting apparatus for multi-beam scanning unit Grant 7,151,556 - Yoo December 19, 2	2006-12-19
Optical scanning apparatus and image forming apparatus employing the same App 20060268411 - Kim; Min-gyu ; et al.	2006-11-30
Light scanning unit and electrophotographic image forming apparatus having the same App 20060209169 - Yoo; Jae-hwan	2006-09-21
Sub-scanning interval adjusting apparatus for multi-beam laser scanning unit Grant 7,050,083 - Yoo May 23, 2	2006-05-23
Light scanning apparatus App 20060076481 - Yoo; Jae-Hwan	2006-04-13
Light scanning unit App 20050270363 - Yoo, Jae-hwan	2005-12-08
Optical scanning device and method for detecting synchronization signal App 20050243394 - Yoo, Jae-hwan ; et al.	2005-11-03
Laser scanning apparatus App 20050036189 - Yoo, Jae-hwan	2005-02-17
Sub-scanning interval adjusting apparatus for multi-beam scanning unit App 20040155954 - Yoo, Jae-hwan	2004-08-12
Multi-beam light scanning apparatus App 20040080801 - Yoo, Jae-Hwan ; et al.	2004-04-29
Light scanning device of laser printer App 20040056185 - Yoo, Jae-Hwan	2004-03-25
Sub-scanning interval adjusting apparatus for multi-beam scanning unit App 20040036760 - Yoo, Jae-hwan	2004-02-26
Color separation apparatus having RGB color filters and a three-line CCD sensor Grant 5,894,356 - Yoo April 13, 1	1999-04-13

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