Yoshihisa Yamazaki
22Patents
5h-index
29Co-inventors
69Inventor score
Filing activity: Dec 3, 1993 → Sep 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6653701B1 | Semiconductor device and production method thereof | Emerging Cross-Sectional Technologies | 90 | Expired |
| US7632470B2 | Microstructure, microreactor, micro heat exchanger and method for fabricating microstructure | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US7552741B2 | Fluid controlling method, microfluidic device and process for fabricating the same | Emerging Cross-Sectional Technologies | 16 | Active |
| US5460653A | Spray type flux applying device | Performing Operations; Transporting | 10 | Expired |
| US7708950B2 | Microfluidic device | Emerging Cross-Sectional Technologies | 7 | Active |
| US7381581B2 | Method for manufacturing vertical cavity surface emitting laser and multiple wavelength surface emitting laser, vertical cavity surface emitting laser, multiple wavelength surface emitting laser, and optical communication system | Electricity | 3 | Expired |
| US8021283B2 | Pressure muscle strength increasing apparatus, control device, and method being carried out by control device | Human Necessities | 3 | Expired |
| US10662973B2 | Reversible flow fan | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11041498B2 | Fan motor apparatus and protection cover of fan motor apparatus | Electricity | 2 | Active |
| US11933315B2 | Axial fan | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8349273B2 | Microreactor device | Emerging Cross-Sectional Technologies | 1 | Active |
| US11572883B2 | Reversible fan | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10837345B2 | Blast fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12104604B2 | Axial fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12055150B2 | Reversible fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12203487B2 | Axial fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| USD936204S1 | Fan guard | General | 0 | Active |
| US11828297B2 | Axial fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11808271B2 | Axial fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9901769B2 | Plural parallel cuff for muscle training by pressurizing limb | Human Necessities | 0 | Active |
| US11988225B2 | Axial fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7823432B2 | Method of forming spring washer blind-holes into a piston for an automobile transmission | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.