Myung Ja Kim
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Dec 30, 1986 → Aug 30, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4770559A | Positioning joint for folding ladders | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4720976A | Method of power generation and its apparatus utilizing gravitation force and buoyancy | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6537474B1 | Method for manufacturing plastic-substitute goods by using natural materials | Chemistry; Metallurgy | 3 | Expired |
| US6475416B2 | Method for manufacturing plastic-substitute goods by using natural materials | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.