Kazutaka Yamashita
18Patents
9h-index
20Co-inventors
72Inventor score
Filing activity: Feb 14, 1975 → Mar 3, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4006272A | Process for preparation of glass fiber mats | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6103340A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5705268A | Magnetic recording medium with magnetic powder in lower magnetic layer having protective image diameters | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5792570A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6063489A | Magnetic recording medium comprising a mixed magnetic region having a thickness relative to the total thickness of magnetic layers | Emerging Cross-Sectional Technologies | 21 | Expired |
| US8357189B2 | Physiology enhancing device | Human Necessities | 16 | Active |
| US4808895A | Acceleration control apparatus | Electricity | 12 | Expired |
| US5795642A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6284361A | Magnetic recording medium and process for producing the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5629075A | Magnetic recording medium having a substrate containing magnetic powder | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4092295A | Epoxy resin composition containing polycarboxylic acid compound | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4795955A | Position control apparatus | Physics | 7 | Expired |
| US4101518A | Resin composition for powder coatings | Chemistry; Metallurgy | 7 | Expired |
| US6139937A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5789063A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5718978A | Magnetic recording medium having a magnetic layer which includes magnetic particles, polurethane resin, vinyl chloride copolymer, and an amine compound | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5814394A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4088707A | Resin composition for powder coatings | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.