Roy A. Ostgaard
10Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Jun 30, 1994 → May 30, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5888826A | Combination reagent holding and test device | Physics | 72 | Expired |
| US5602037A | Combination reagent holding and test device | Physics | 60 | Expired |
| US6572824B1 | Method and apparatus for preparing cytological specimens | Emerging Cross-Sectional Technologies | 42 | Expired |
| USD420744S | Sample vial | General | 29 | Expired |
| US6562299B1 | Method and apparatus for preparing cytological specimens | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7579190B2 | Method and apparatus for preparing cytological specimens | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7887758B2 | Sample vial for use in preparing cytological specimen | Performing Operations; Transporting | 8 | Active |
| US7435599B2 | Method and apparatus for preparing cytological specimens | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8574912B2 | Method and apparatus for preparing cytological specimens | Emerging Cross-Sectional Technologies | 0 | Active |
| US9448146B2 | Method for automated specimen transfer | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.