Hiroaki Araki
22Patents
8h-index
30Co-inventors
71Inventor score
Filing activity: Feb 27, 1985 → Apr 25, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4851289A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5156908A | Magnetic recording medium and method for producing the same | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4801505A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5126215A | Magnetic recording medium having a surface with pores of specified average inlet diameter and wide pore size distribution controlled by calender treatment | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5176955A | Magnetic recording medium comprising ferromagnetic powder having a pH of at least 7 dispersed in a vinyl chloride copolymer using an aromatic phoshoric, phosphonic or sulfonic acid dispersant | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4791021A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4959263A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4885208A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5582910A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4576635A | Process for producing ferromagnetic metal powder | Chemistry; Metallurgy | 6 | Expired |
| US6149989A | Magnetic recording particulate medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4806417A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6506486B1 | Magnetic recording medium | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6037051A | Magnetic tape | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4803131A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4968557A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5139866A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5510177A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5387464A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6607156B2 | Magnetic tape cassette | Physics | 1 | Expired |
| US6686024B2 | Magnetic recording medium | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6692849B2 | Magnetic recording medium comprising spindle-shaped ferromagnetic metal particles | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.