Yoshiaki Katsuyama
8Patents
6h-index
7Co-inventors
48Inventor score
Filing activity: Mar 2, 1983 → Jan 8, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4659606A | Substrate members for recording disks and process for producing same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4608293A | Composite substrate for a thin-film magnetic head | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4875987A | Grooved magnetic substrates and method for producing the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4690846A | Recording disk substrate members and process for producing same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4808455A | Magnetic recording disc and process for producing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4859638A | Magnetic head sliders, materials therefor, and the process for the production thereof | Physics | 12 | Expired |
| US4777074A | Grooved magnetic substrates and method for producing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5302560A | Process for the production of magnetic head sliders | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.