Jun Koyama
1,543Patents
91h-index
195Co-inventors
93Inventor score
Filing activity: Jan 17, 1989 → Jul 18, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9614258B2 | Power storage device and power storage system | Emerging Cross-Sectional Technologies | 988 | Active |
| US6127702A | Semiconductor device having an SOI structure and manufacturing method therefor | Electricity | 527 | Expired |
| US6828950B2 | Display device and method of driving the same | Electricity | 272 | Expired |
| US6689492B1 | Electro-optical device and electronic device | Emerging Cross-Sectional Technologies | 263 | Expired |
| US6303963A | Electro-optical device and semiconductor circuit | Electricity | 261 | Expired |
| US6576926B1 | Semiconductor device and fabrication method thereof | Electricity | 248 | Expired |
| US6972753B1 | Touch panel, display device provided with touch panel and electronic equipment provided with display device | Physics | 237 | Expired |
| US6697057B2 | Display device and method of driving the same | Electricity | 234 | Expired |
| US8547771B2 | Semiconductor integrated circuit | Electricity | 232 | Active |
| US6306694A | Process of fabricating a semiconductor device | Electricity | 232 | Expired |
| US6639244B1 | Semiconductor device and method of fabricating the same | Physics | 222 | Expired |
| US5889291A | Semiconductor integrated circuit | Electricity | 209 | Expired |
| US6365933B1 | Semiconductor device and method of manufacturing the same | Electricity | 204 | Expired |
| US5893730A | Thin film semiconductor and method for manufacturing the same, semiconductor device and method for manufacturing the same | Electricity | 196 | Expired |
| US6278131A | Pixel TFT and driver TFT having different gate insulation width | Electricity | 194 | Expired |
| US6680577B1 | EL display device and electronic apparatus | Electricity | 190 | Expired |
| US6469317B1 | Semiconductor device and method of fabricating the same | Electricity | 188 | Expired |
| US6597348B1 | Information-processing device | Physics | 186 | Expired |
| US6747638B2 | Adhesion type area sensor and display device having adhesion type area sensor | Electricity | 185 | Expired |
| US5985740A | Method of manufacturing a semiconductor device including reduction of a catalyst | Electricity | 180 | Expired |
| US6077731A | Semiconductor device and method for fabricating the same | Electricity | 176 | Expired |
| US5650636A | Active matrix display and electrooptical device | Electricity | 175 | Expired |
| US6424326B1 | Semiconductor display device having a display portion and a sensor portion | Electricity | 173 | Expired |
| US6661180B2 | Light emitting device, driving method for the same and electronic apparatus | Electricity | 172 | Expired |
| US5686328A | Semiconductor device and process for fabricating the same | Electricity | 172 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.