Tomomitsu Risaki
23Patents
3h-index
6Co-inventors
52Inventor score
Filing activity: Jun 17, 2005 → Feb 26, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9136263B2 | Semiconductor device | Electricity | 8 | Active |
| US7242058B2 | Lateral semiconductor device using trench structure and method of manufacturing the same | Electricity | 5 | Expired |
| US7492035B2 | Semiconductor device and method of manufacturing the same | Electricity | 5 | Active |
| US7768102B2 | Semiconductor device | Electricity | 2 | Active |
| US9966476B2 | Semiconductor memory device having first and second floating gates of different polarity | Electricity | 1 | Active |
| US8618606B2 | Semiconductor device | Electricity | 1 | Active |
| US8168494B2 | Trench MOS transistor and method of manufacturing the same | Electricity | 1 | Active |
| US9299629B2 | Semiconductor device and manufacturing method therefor | Electricity | 1 | Active |
| US10497662B2 | Semiconductor device and ball bonder | Electricity | 1 | Active |
| US9177954B2 | Semiconductor device | Electricity | 0 | Active |
| US8193060B2 | Method of manufacturing a semiconductor device | Electricity | 0 | Active |
| US10411137B2 | Semiconductor memory device and method of manufacturing the same | Electricity | 0 | Active |
| US10263003B2 | Semiconductor device and method of manufacturing the same | Physics | 0 | Active |
| US8803231B2 | Trench MOS transistor and method of manufacturing the same | Electricity | 0 | Active |
| US10497706B2 | Semiconductor device and method of manufacturing the same | Physics | 0 | Active |
| US8071460B2 | Method for manufacturing semiconductor device | Electricity | 0 | Active |
| US8324687B2 | Semiconductor device | Electricity | 0 | Active |
| US7888212B2 | Semiconductor device and method of manufacturing the same | Electricity | 0 | Active |
| US10438944B2 | Semiconductor device having ESD element | Electricity | 0 | Active |
| US9343457B2 | Semiconductor device | Electricity | 0 | Active |
| US8390061B2 | Semiconductor device having a trench structure and method for manufacturing the same | Electricity | 0 | Active |
| US7859049B2 | Semiconductor device | Electricity | 0 | Active |
| US8207575B2 | Semiconductor device and method of manufacturing the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.