Hideyuki Kojima
56Patents
9h-index
37Co-inventors
78Inventor score
Filing activity: Jun 29, 1990 → Aug 4, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7605041B2 | Semiconductor device and its manufacture method | Electricity | 121 | Active |
| US7323754B2 | Semiconductor device and its manufacture method | Electricity | 121 | Expired |
| US6567312B1 | Non-volatile semiconductor memory device having a charge storing insulation film and data holding method therefor | Physics | 106 | Expired |
| USD429765S | Automatic vending machine for drinks | General | 27 | Expired |
| US5150301A | Air/fuel mixture ratio learning control system for internal combustion engine using mixed fuel | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6072241A | Semiconductor device with self-aligned contact and its manufacture | Electricity | 12 | Expired |
| USD430900S | Automatic vending machine for merchandise | General | 12 | Expired |
| US7521765B2 | Semiconductor device | Electricity | 11 | Expired |
| US7888740B2 | Semiconductor device and method of manufacturing the same | Electricity | 10 | Active |
| USD419193S | Automatic vending machine for drinks | General | 9 | Expired |
| US7557004B2 | Method for fabricating semiconductor device | Electricity | 8 | Active |
| US7939893B2 | Semiconductor device and its manufacturing method | Electricity | 8 | Active |
| US8158483B2 | Semiconductor device and its manufacturing method | Electricity | 8 | Active |
| US7755928B2 | Semiconductor memory device and semiconductor device group | Emerging Cross-Sectional Technologies | 7 | Active |
| US8173514B2 | Method of manufacturing semiconductor device | Electricity | 6 | Active |
| US7539963B2 | Semiconductor device group and method for fabricating the same, and semiconductor device and method for fabricating the same | Electricity | 5 | Expired |
| US7671384B2 | Semiconductor integrated circuit device having improved punch-through resistance and production method thereof, semiconductor integrated circuit device including a low-voltage transistor and a high-voltage transistor | Electricity | 5 | Expired |
| USD420611S | Counterfeit bill inspecting machine | General | 4 | Expired |
| US7269053B2 | Semiconductor memory device and semiconductor device group | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9581043B2 | Turbocharger | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7508692B2 | Semiconductor memory device and semiconductor device group | Emerging Cross-Sectional Technologies | 3 | Active |
| US7068334B2 | Color filter and liquid crystal display device | Physics | 3 | Expired |
| US6333233A | Semiconductor device with self-aligned contact and its manufacture | Electricity | 3 | Expired |
| US7592216B2 | Fabrication process of a semiconductor device having a capacitor | Electricity | 3 | Active |
| US7157797B2 | Semiconductor device with suppressed copper migration | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.