Masatoshi Nakayama
59Patents
16h-index
52Co-inventors
87Inventor score
Filing activity: Sep 6, 1983 → May 26, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5112025A | Molds having wear resistant release coatings | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4880687A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4816334A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5677051A | Magnetic recording medium having a specified plasma polymerized hydrogen containing carbon film and lubricant | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5154978A | Highly corrosion-resistant rare-earth-iron magnets | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4810524A | Inorganic powders with improved dispersibility | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4889767A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4599266A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5541003A | Articles having diamond-like protective thin film | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4780354A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5827613A | Articles having diamond-like protective film and method of manufacturing the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4900622A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4737408A | Magneto-optical recording medium having plasma-polymerized protective layers | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4548864A | Magnetic recording medium having an organic metal underlayer | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4749608A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4699847A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4770924A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4824724A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4892789A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6133791A | Feedforward amplifier with improved characteristics without using pilot signal | Electricity | 14 | Expired |
| US5069967A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4575475A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5185067A | Process for manufacturing diamond-like thin film | Chemistry; Metallurgy | 13 | Expired |
| US4618542A | Magnetic thin film | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5080971A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.