Tsuyoshi Sugihara
23Patents
8h-index
42Co-inventors
75Inventor score
Filing activity: Jun 28, 1991 → Aug 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5237404A | Inspection apparatus with improved detection of surface defects over large and curved surfaces | Physics | 64 | Expired |
| US6793276B2 | Automobile floor structure | Performing Operations; Transporting | 17 | Expired |
| US7014256B2 | Floor panel structure of vehicle body | Performing Operations; Transporting | 15 | Expired |
| US6905434B2 | Speed change mechanism of automatic transmission | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6849919B2 | Method of fabricating a semiconductor device with a trench isolation structure and resulting semiconductor device | Electricity | 12 | Expired |
| US8708390B2 | Vehicle-body structure of vehicle and manufacturing method of the same | Emerging Cross-Sectional Technologies | 8 | Active |
| US8720984B2 | Vehicle-body structure of vehicle and manufacturing method of the same | Emerging Cross-Sectional Technologies | 8 | Active |
| US6730973B2 | Semiconductor device | Electricity | 8 | Expired |
| US8702160B2 | Vehicle-body structure of vehicle and manufacturing method of the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US7909140B2 | Lubricating structure of planetary gear mechanism | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7270366B2 | Automotive floor panel structure | Performing Operations; Transporting | 5 | Expired |
| US7268056B2 | Method of fabricating a semiconductor device with a trench isolation structure and resulting semiconductor device | Electricity | 5 | Expired |
| US7789196B2 | Sound-absorbing material, production method for sound-absorbing material, and sound-absorbing structure | Performing Operations; Transporting | 4 | Active |
| US6417540B1 | Non-volatile semiconductor memory device and method for manufacturing the same | Electricity | 3 | Expired |
| US7243984B2 | Floor panel structure of vehicle body | Performing Operations; Transporting | 2 | Expired |
| US8967672B2 | Vehicle-body structure of vehicle and manufacturing method of the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7253568B2 | High pressure discharge lamp lighting apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6414334B2 | Semi-conductor device with test element group for evaluation of interlayer dielectric and process for producing the same | Electricity | 1 | Expired |
| US6974999B2 | Semiconductor device and method of manufacturing the same | Electricity | 1 | Expired |
| US7326627B2 | Method of fabricating a semiconductor device with a trench isolation structure and resulting semiconductor device | Electricity | 1 | Active |
| US9117688B2 | Semiconductor device, inverter device provided with semiconductor device, and in-vehicle rotating electrical machine provided with semiconductor device and inverter device | Emerging Cross-Sectional Technologies | 0 | Active |
| US7808031B2 | Method of fabricating a semiconductor device with a trench isolation structure and resulting semiconductor device | Electricity | 0 | Active |
| US9401319B2 | Semiconductor device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.