Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495947 | Piezoelectric ceramic composition, and high power output transformer made of the same composition | Jong Sun Kim, Choong Sik Yoo, Joo Hyun Yoo | 2002-12-17 |
| 6492763 | Piezoelectric ceramic composition, and high power output transformer made of the same composition | Jong Sun Kim, Choong Sik Yoo, Joo Hyun Yoo | 2002-12-10 |
| 6376002 | Method for preparation of mulberry leaf powder and ice cream containing thereof | Kang Ryu, Hyun Bok KIM, Sun-Yeou Kim, Heui Sam Lee, Yong Ki Lee +2 more | 2002-04-23 |
| 6372138 | Wastewater treatment method for removing organic matter and nitrogen, carrier used thereof and method for manufacturing the carrier | Jae Hyun Cho, Yong Hwan KIM, Won-Kwon Lee | 2002-04-16 |
| 6345131 | Method for manufacturing the thermo-optic switch, and method for changing optical line using the thermo-optic switch | Woo-Hyuk Jang, Hyun Ki Kim, Jung Hee Kim, Tae-Hyung Rhee | 2002-02-05 |