Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12040110 | Grain-oriented electrical steel sheet and manufacturing method therefor | Hyun-Seok Ko, Kyu-Seok Han, Jin-Wook Seo, Jae-Soo Lim, Hyung Don Joo | 2024-07-16 |
| 11667984 | Grain-oriented electrical steel sheet and manufacturing method therefor | Hyung Don Joo, Min Soo Han, Sang-Woo Lee, Jin-Wook Seo | 2023-06-06 |
| 11667985 | Composition for forming insulation film of oriented electrical steel sheet, method for forming insulation film by using same, and oriented electrical steel sheet having insulation film formed therein | Min Soo Han, Hyung Don Joo, Jae-Keun Shin, Chang-Soo Kim | 2023-06-06 |
| 11031162 | Grain-oriented electrical steel sheet and manufacturing method therefor | Hyun-Seok Ko, Kyu-Seok Han, Jin-Wook Seo, Jae-Soo Lim, Hyung Don Joo | 2021-06-08 |
| 10907231 | Grain-oriented electrical steel sheet and manufacturing method therefor | Hyung Don Joo, Jin-Wook Seo, Sang-Woo Lee | 2021-02-02 |
| 10760141 | Grain-oriented electrical steel sheet and manufacturing method of grain-oriented electrical steel sheet | Hyung Don Joo, Jin-Wook Seo, Kyu-Seok Han, Jae-Soo Lim, Hyun-Seok Ko | 2020-09-01 |
| 9603502 | Washing apparatus | — | 2017-03-28 |
| 7901670 | Process for purifying interferon beta | Ji-Sook Park, Jong Sang Chung, Min Ji Baek, Jee Won Ahn, Ki Wan Kim +2 more | 2011-03-08 |
| 7780960 | Process for purifying interferon beta | Ji-Sook Park, Jong Sang Chung, Min Ji Baek, Jee Won Ahn, Ki Wan Kim +2 more | 2010-08-24 |
| 7311903 | Glycosylated human interferon alpha isoform | Eun Jung Lee, Hyun-Seok Kim, Ji-Sook Park, Yeon Hyang Kim, Hyune Soo Lee +2 more | 2007-12-25 |
| 5786579 | Microwave oven waveguide with mode transducer and differential mode absorber | — | 1998-07-28 |
| 5747781 | Microwave oven with turntable and swingable electrical heater | Byeong-Jun Kim, Jae Soo Kim, Sang-Kee Min, Byung Nam CHOI | 1998-05-05 |
| 5742033 | Wave guide having an improved structure used in a microwave oven | — | 1998-04-21 |