Kenichi Masuyama
24Patents
9h-index
34Co-inventors
75Inventor score
Filing activity: Sep 17, 1976 → Feb 14, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4251843A | Disc jacket for retaining magnetic recording disc | Physics | 25 | Expired |
| US4106067A | Magnetic head cleaning jacket | Physics | 24 | Expired |
| US4626469A | Magnetic recording material | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4551386A | Magnetic recording materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4582757A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4539257A | Magnetic recording medium having improved running properties | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4336308A | Magnetic recording media | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4847156A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4333988A | Magnetic recording media | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4598014A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4745017A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5904979A | Magnetic recording system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5582910A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4761243A | Process for the preparation of magnetic paint | Electricity | 6 | Expired |
| US4780365A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4567057A | Method of making magnetic recording medium | Physics | 5 | Expired |
| US5336561A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4569856A | Method for preparing magnetic recording medium | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5510177A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5387464A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4614685A | Magnetic recording medium having improved running properties | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5631062A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4678697A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4647501A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.