Hideaki Kosha
14Patents
6h-index
23Co-inventors
58Inventor score
Filing activity: Jun 28, 1984 → Oct 30, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4922675A | Abrasive tape | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4886703A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4803121A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4686139A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4649072A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4734325A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4965125A | Magnetic recording medium and the method for preparing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5039554A | Process for preparing a backing layer of a magnetic recording medium which includes the predispersing of a fine .alpha.-Al.sub.2 O.sub.3 powder in a solvent containing a small amount of binder | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4759979A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4728569A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4696858A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4740418A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4729922A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4581251A | Process for producing cobalt-modified ferromagnetic iron oxide | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.