Hironobu Nakao
18Patents
10h-index
10Co-inventors
69Inventor score
Filing activity: Nov 13, 1979 → Nov 16, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5654568A | Semiconductor device including nonvolatile memories | Electricity | 90 | Expired |
| US5319229A | Semiconductor nonvolatile memory with wide memory window and long data retention time | Electricity | 87 | Expired |
| US5303182A | Nonvolatile semiconductor memory utilizing a ferroelectric film | Physics | 63 | Expired |
| US5402374A | Non-volatile semiconductor memory device and memory circuit using the same | Electricity | 56 | Expired |
| US5300799A | Nonvolatile semiconductor storage device with ferroelectric capacitors | Electricity | 38 | Expired |
| US5345415A | Nonvolatile semiconductor memory utilizing a ferroelectric film | Physics | 33 | Expired |
| US5187636A | Dielectric device | Electricity | 24 | Expired |
| US7466590B2 | Self-boosting method for flash memory cells | Physics | 14 | Expired |
| US5332915A | Semiconductor memory apparatus | Electricity | 14 | Expired |
| US5319230A | Non-volatile storage device | Electricity | 13 | Expired |
| US5366913A | Method of manufacturing semiconductor device employing oxide sidewalls | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5589700A | Semiconductor nonvolatile memory | Electricity | 8 | Expired |
| US5291048A | Non-volatile storage device with impurities in nitride toward source side | Electricity | 8 | Expired |
| US4328283A | Photographic polyester supports subjected to subbing treatment | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5874761A | Semiconductor memory device with three-dimensional cluster distribution | Electricity | 7 | Expired |
| US5331190A | Semiconductor device including nonvolatile memories | Physics | 3 | Expired |
| US5293062A | FET nonvolatile memory with composite gate insulating layer | Electricity | 3 | Expired |
| US8206466B2 | Method for manufacturing electrolytic capacitor | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.