Wayne L. Ryan
54Patents
22h-index
9Co-inventors
81Inventor score
Filing activity: Jun 13, 1977 → Jan 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5849517A | Method and composition for preserving antigens and nucleic acids and process for utilizing cytological material produced by same | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5460797A | Method for fixing tissues and cells for analysis using oxazolidine compounds | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4160644A | Platelet reference control and method of preparation | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5196182A | Tissue fixative | Physics | 65 | Expired |
| US5459073A | Method and composition for preserving antigens and process for utilizing cytological material produced by same | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5260048A | Tissue fixative solution and method | Physics | 49 | Expired |
| US4436821A | Simulated human platelets from red blood cells | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5811099A | Method and composition for preserving antigens and process for utilizing cytological material produced by same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6337189B1 | Fixative system, method and composition for biological testing | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6200500A | Hematology control and system for multi-parameter hematology measurements | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6221668A | Hematology control and system for multi-parameter hematology measurements | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5270208A | White blood cell hematology control | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5250438A | Method for differential determination of white blood cells using diazolidinyl urea to stabilize white blood cells | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5262327A | White blood cell hematology control | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4788139A | Platelet aggregation reagent, reagent container and method of determining platelet aggregation in EDTA-anticoagulated blood | Physics | 31 | Expired |
| US6406915B2 | Hematology control and system for multi-parameter hematology measurements | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6403377B1 | Hematology control and system for multi-parameter hematology measurements | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6399388B1 | Hematology control and system for multi-parameter hematology measurements | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7419832B2 | Blood collection tube with surfactant | Performing Operations; Transporting | 26 | Expired |
| US4729959A | Glucose reference control for glucose test strips | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7767460B2 | Blood collection tube with surfactant | Performing Operations; Transporting | 23 | Active |
| US4198206A | Method for preparing a platelet reference control | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5677145A | White blood cell hematology control | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5432089A | Reference control for use with manual and flow cytometric reticulocyte counting devices | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7390663B2 | Process, composition and kit for providing a stable whole blood calibrator/control | Emerging Cross-Sectional Technologies | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.