Tetsuya Yamaguchi
72Patents
13h-index
118Co-inventors
87Inventor score
Filing activity: Apr 21, 1993 → Oct 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5527417A | Photo-assisted CVD apparatus | Chemistry; Metallurgy | 771 | Expired |
| US6690423B1 | Solid-state image pickup apparatus | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6674470B1 | MOS-type solid state imaging device with high sensitivity | Electricity | 65 | Expired |
| US6211509A | Solid-state image sensor | Electricity | 48 | Expired |
| US6072206A | Solid state image sensor | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5547354A | Scroll compressor balancing | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6521925B1 | Solid-state image sensor | Electricity | 25 | Expired |
| US6344666B1 | Amplifier-type solid-state image sensor device | Electricity | 22 | Expired |
| US7855406B2 | Solid-state imaging device and method of manufacturing the same | Electricity | 21 | Active |
| US6809951B2 | Ferroelectric semiconductor memory | Physics | 19 | Expired |
| US6271554A | Solid-state image sensor having a substrate with an impurity concentration gradient | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6728937B2 | Circuit simulation device for predicting the dispersion of circuit characteristics and the electric characteristics | Electricity | 14 | Expired |
| US5807089A | Scroll type compressor with a reinforced rotation preventing means | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7042061B2 | Solid-state image pickup apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6194244A | Method of manufacturing a photodiode in a solid-state device | Electricity | 10 | Expired |
| US8845484B2 | Vehicle drive device | Emerging Cross-Sectional Technologies | 10 | Active |
| US5470213A | Scroll type compressor having a ring for compressive force transmission and orbit determination | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6077049A | Double-headed piston type compressor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8916917B2 | Solid-state imaging device | Electricity | 9 | Active |
| US6344670B2 | Solid-state sensor and system | Electricity | 8 | Expired |
| US6757873B2 | Simulator of semiconductor device circuit characteristic and simulation method | Physics | 6 | Expired |
| US5947698A | Piston type compressor | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5362218A | Scroll type compressor with counterweight | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6441411B2 | Solid-state image sensor having a substrate with an impurity concentration gradient | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7373627B2 | Method of designing wiring structure of semiconductor device and wiring structure designed accordingly | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.