Tsuyoshi Tojo
48Patents
9h-index
50Co-inventors
78Inventor score
Filing activity: Mar 1, 1999 → Jul 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6995406B2 | Multibeam semiconductor laser, semiconductor light-emitting device and semiconductor device | Electricity | 62 | Expired |
| US6693935B2 | Semiconductor laser | Electricity | 40 | Expired |
| US6479889B1 | Semiconductor device package, and fabrication method thereof | Electricity | 25 | Expired |
| US6278173A | Semiconductor device, its manufacturing method and substrate for manufacturing a semiconductor device | Electricity | 20 | Expired |
| US6323059A | Method of fabricating a semiconductor device | Electricity | 18 | Expired |
| US8276506B2 | Cooking assistance robot and cooking assistance method | Human Necessities | 15 | Active |
| US6784010B2 | Nitride-based semiconductor laser device and method for the production thereof | Electricity | 13 | Expired |
| US6482666B1 | Semiconductor device, its manufacturing method and substrate for manufacturing a semiconductor device | Electricity | 12 | Expired |
| US6838703B2 | Nitride-based semiconductor laser device and method for the production thereof | Electricity | 11 | Expired |
| US6961359B2 | Semiconductor laser device | Electricity | 9 | Expired |
| US6455342B2 | Semiconductor device, its manufacturing method and substrate for manufacturing a semiconductor device | Electricity | 9 | Expired |
| US8647305B2 | Syringe drive device | Human Necessities | 8 | Active |
| US8286528B2 | Robot arm | Emerging Cross-Sectional Technologies | 7 | Active |
| US9433558B2 | Medicine transfusion apparatus and medicine transfusion method | Performing Operations; Transporting | 7 | Active |
| US7149235B2 | Multi-beam semiconductor laser device | Electricity | 6 | Expired |
| US7091056B2 | Method of manufacturing a semiconductor light emitting device, semiconductor light emitting device, method of manufacturing a semiconductor device, semiconductor device, method of manufacturing a device, and device | Electricity | 6 | Expired |
| US6577662B1 | Semiconductor laser, and manufacturing method thereof, semiconductor device and manufacturing method thereof | Electricity | 4 | Expired |
| US6777792B2 | Semiconductor device and package with high heat radiation effect | Electricity | 4 | Expired |
| US7176499B2 | Method of manufacturing a semiconductor light emitting device, semiconductor light emitting device, method of manufacturing a semiconductor device, semiconductor device, method of manufacturing a device, and device | Electricity | 4 | Expired |
| US7339195B2 | Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method | Electricity | 4 | Expired |
| US6711197B2 | Semiconductor laser device | Electricity | 4 | Expired |
| US7065118B2 | Semiconductor laser | Electricity | 4 | Expired |
| US6954477B2 | Semiconductor laser device and fabrication method thereof | Electricity | 3 | Expired |
| US7964419B2 | Semiconductor light emitting device, its manufacturing method, semiconductor device and its manufacturing method | Electricity | 3 | Active |
| US6950451B2 | Multi-beam semiconductor laser element | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.