Kunio Wakai
15Patents
7h-index
20Co-inventors
62Inventor score
Filing activity: Nov 20, 1985 → Dec 3, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4755426A | Magnetic recording medium and production of the same | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4737415A | Magnetic recording medium and production thereof | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4855175A | Magnetic recording medium and production thereof | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6044792A | Plasma CVD apparatus | Electricity | 15 | Expired |
| US6367411B2 | Plasma CVD apparatus | Electricity | 12 | Expired |
| US5073449A | Magnetic recording medium and method for producing the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5496620A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4983455A | Magnetic recording medium and process for producing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6312524A | Plasma CVD apparatus | Electricity | 4 | Expired |
| US4847109A | Method of a making magnetic recording medium | Physics | 4 | Expired |
| US4826739A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5059337A | Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms | Electricity | 4 | Expired |
| US4933797A | Arrangement for preventing entrance of harmful particles for use in a cartridge | Physics | 3 | Expired |
| US5068144A | Perpendicular magnetic recording medium and method for producing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5000984A | Method of making a magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.