Heijiro Ojima
3Patents
0Active
3Granted
18Portfolio score
Filing activity: Sep 12, 1995 → Aug 30, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5587060A | Method of removing metal contained in solution | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5650056A | Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5665243A | Method for removing metal contained in solution using surfactant having chelating ability | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.