Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11917755 | Carrier-foil-attached ultra-thin copper foil | Won Jin Beom, Sun Hyung Lee, Eun Sil Choi, Ki Deok Song | 2024-02-27 |
| 11622445 | Surface-treated copper foil, manufacturing method thereof, copper foil laminate including the same, and printed wiring board including the same | Sang Hwa Yoon, Chang Yol Yang, Jung-Woo Seo, Young Ho Ryu, Kideok SONG +2 more | 2023-04-04 |
| 11318397 | Nipa palm extract preparation method and nipa palm extract prepared by means of same | Yeo-jin Kim, Su Jin Kim, Hee Jeung KIM, Byoung Seok Moon, Su-Jin Bae +1 more | 2022-05-03 |
| 11166378 | Carrier-foil-attached ultra-thin copper foil | Won Jin Beom, Sun Hyung Lee, Eun Sil Choi, Ki Deok Song | 2021-11-02 |
| 11164831 | Carrier-foil-attached ultra-thin copper foil | Won Jin Beom, Sun Hyung Lee, Eun Sil Choi, Ki Deok Song | 2021-11-02 |
| 7098018 | Aminopeptidase derived from bacillus licheniformis, gene encoding the aminopeptidase, expression vector containing the gene, transformant and method for preparation thereof | Young-Phil Lee, Seung Won Lee, Chul Ho JUNG, Soon-yong Choi, Jin-Suk Kim +2 more | 2006-08-29 |
| 6005324 | Brushless motor and method of manufacturing a stator of the brushless motor | — | 1999-12-21 |
| 5998946 | Method and apparatus for controlling a rotation of a sensorless and brushless DC motor | — | 1999-12-07 |
| 5907225 | Method and apparatus for driving a polyphase sensorless motor | — | 1999-05-25 |
| 5892088 | Sulfamate compound containing N-substituted carbamoyl group and method for preparing the same | Yong Moon Choi, Dong Il Han | 1999-04-06 |
| 5849772 | Carbamate compounds and processes for preparing the same | Yong Moon Choi, Dong Il Han, Kwang Hyouk Lee | 1998-12-15 |
| 5654461 | Sulfamate compound containing carbamoyl group | Yong Moon Choi, Dong Il Han | 1997-08-05 |
| 5627300 | Carbamate compounds containing thiocarbamoyl group and process for preparing the same | Yong Moon Choi, Dong Il Han | 1997-05-06 |
| 5315730 | Toothbrush device | Il Pyung Kim | 1994-05-31 |