| 9731459 |
Lens with low birefringence, method of fabricating the lens, and light scanning unit including the lens |
— |
2017-08-15 |
| 9709804 |
Lens, light scanning unit, and electrophotography type image forming apparatus |
— |
2017-07-18 |
| 9429748 |
Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus |
Jin-kwon Chun, Jae-hwan Yoo, Heon-hee Lim, Ho-hyun Hwang |
2016-08-30 |
| 8804224 |
Lens with low birefringence, method of fabricating the lens, and light scanning unit including the lens |
— |
2014-08-12 |
| 8711196 |
Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus |
Jin-kwon Chun, Jae-hwan Yoo, Heon-hee Lim, Ho-hyun Hwang |
2014-04-29 |
| 8339434 |
Light scanning unit and electrophotographic image forming apparatus employing the same |
— |
2012-12-25 |
| 7947752 |
Method of producing microporous high density polyethylene film |
Young-Keun Lee, Jang-Weon Rhee, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee +2 more |
2011-05-24 |
| 7435761 |
Microporous polyethylene film and method of producing the same |
Young-Keun Lee, Jang-Weon Rhee, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee +2 more |
2008-10-14 |
| 7332531 |
Microporous high density polyethylene film |
Young-Keun Lee, Jang-Weon Rhee, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee +2 more |
2008-02-19 |
| 5861461 |
Biodegradable plastic composition, method for preparing thereof and product prepared therefrom |
Byung Hyung Lee, Kwang Sik Jung, Young Wook Kim, Sang-Gu Bang, Byoung Cheon Jo +1 more |
1999-01-19 |
