Akira Kasuga
33Patents
13h-index
44Co-inventors
81Inventor score
Filing activity: May 19, 1975 → Mar 25, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4784914A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4075384A | Magnetic recording tapes with two-layered magnetic coating | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4784907A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4407901A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4571364A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4465737A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4455345A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4537833A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4916024A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4091158A | Magnetic recording members | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4496626A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4431712A | Magnetic recording medium of ferromagnetic particles and binder | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5958565A | Magnetic recording tape favorably employable for computer data storage | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4801505A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4132827A | Magnetic recording substance | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4652958A | Tape for cleaning magnetic head | Physics | 9 | Expired |
| US5091268A | Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4696859A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4701364A | Tape for cleaning magnetic head | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4411956A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4003743A | Process for production of motion picture film with sound track containing p-toluenesulfonic acid and glacial acetic acid | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4687705A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6293823A | Nut-prefixed connector | Electricity | 5 | Expired |
| US4409291A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4661377A | Process for producing a magnetic recording medium having an improved dimensional stability | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.