Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112281 | Covering device for protecting anemometer engaged with external frame mounted on vehicle | Geon Tae Kim, Seon Jeong Kim, Bo Young Ahn, Hyoung Gu Nam, Jeong Sun Lee +2 more | 2021-09-07 |
| 7476984 | Spring activated energy transducer generating A/C electricity from reciprocating natural forces | Yong Ja Kim, Michelle Lee, Sung Ki Kim, Jung Ki Kim | 2009-01-13 |
| 7304398 | Spring activated energy transducer generating A/C electricity from natural forces-frictionless magnetic plate | Yong Ja Kim, Michelle Lee, Sung Ki Kim, Jung Ki Kim | 2007-12-04 |