Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11733616 | System for supplying photoresist and method for fabricating semiconductor device using the same | Takashi Sasa, Sang Ho Lee, Seok Heo, Ho-Kyun Kim, Ju-Hyung Lee | 2023-08-22 |
| 11269321 | Equipment diagnosis system and method based on deep learning | Ho-Youl Lee, Won Ki Park, Jong-Hwi Seo, Young Il Jang, Ha-nock Kwak +2 more | 2022-03-08 |
| 10996200 | Method of determining position of fault of equipment using sound source inputting apparatus and system of determining position of fault of equipment for performing the same | Won-Yup Ko, Won Ki Park, Ho-Youl Lee, Young Il Jang, Yeon Woo Choi +1 more | 2021-05-04 |
| 10579048 | EtherCAT control device and factory automation system having the same | Jang-Hyoun Youm, Jae-Hyun Kim, Eun-Kyung Hong | 2020-03-03 |
| 10546765 | Wafer perforating device | Yeon Woo Choi, Won-Yup Ko, Min Seok Moon, Won Ki Park, Seung Hwan Lee +1 more | 2020-01-28 |
| 10442034 | Wafer cutting apparatus | Yeon Woo Choi, In Hwan Kim, Won Ki Park, Ho-Youl Lee, Yong Won Choi | 2019-10-15 |
| 10095224 | EtherCAT control device and factory automation system having the same | Jang-Hyoun Youm, Jae-Hyun Kim, Eun-Kyung Hong | 2018-10-09 |
| 10040198 | Method of processing location information and method of processing measurement information including the same | Sung-Chul Go, Eun-Kyung Hong, Dong Hyun Kim, Jin Ha Choi | 2018-08-07 |
| 7667417 | Apparatus and method compensating recurring false speed errors in DC motor and disk drive adopting same | Sang-hoon Chu | 2010-02-23 |
| 7593178 | Method of reducing abrasion of disk by using dithering process and disk drive using the same | Bong Jin Lee | 2009-09-22 |
| 7583464 | Apparatus and method compensating mechanical tolerance of brushless direct current motor and related disk drive | Nam-guk Kim | 2009-09-01 |
| 7432673 | Method, medium, and apparatus controlling current gain change of a spindle motor driver | Cheol-hoon Park, Sang-hoon Chu | 2008-10-07 |
| 7400466 | Method and apparatus for driving spindle motor using adaptive feedforward control | Kang Seok Lee, Cheol-hoon Park | 2008-07-15 |