Masao Oishi
6Patents
6h-index
13Co-inventors
56Inventor score
Filing activity: Aug 7, 1987 → Feb 16, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5320944A | Immunoassay using magnetic particle | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6109781A | Element of a mixing apparatus | Performing Operations; Transporting | 29 | Expired |
| US4837046A | Method for forming ferrite film | Physics | 15 | Expired |
| US4911957A | Method of forming ferrite film on particles or fibers | Electricity | 14 | Expired |
| US4816364A | Magnetic carrier particles for electrophotographic developer having plated layer of iron oxide | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5215782A | Method of forming ferrite coatings | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.