Takuya Hamada
32Patents
1h-index
40Co-inventors
57Inventor score
Filing activity: Sep 18, 2001 → Sep 18, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6673269B2 | Phosphor material and its method of manufacture | Chemistry; Metallurgy | 2 | Expired |
| US11913684B2 | Flow passage switching valve and fluid circulation circuit | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10940701B2 | Liquid discharge apparatus | Performing Operations; Transporting | 1 | Active |
| US6690119B2 | Phosphor, method for preparing phosphor layer and vacuum fluorescent display | Chemistry; Metallurgy | 1 | Expired |
| US12117089B2 | Valve device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11519306B2 | Fluid control valve, and valve timing adjusting device employing same | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8766732B2 | Multi-screw chaotic oscillator circuit | Electricity | 0 | Active |
| US11446944B2 | Image forming apparatus and method for controlling image forming apparatus | Performing Operations; Transporting | 0 | Active |
| US12209671B2 | Valve device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8648584B2 | Multi-hysteresis voltage controlled current source system | Electricity | 0 | Active |
| US12036789B2 | Image forming apparatus with switching device that switches on and off depending on difference in rigidity of sheet | Performing Operations; Transporting | 0 | Active |
| US11535044B2 | Printing apparatus and control method | Performing Operations; Transporting | 0 | Active |
| US11599055B2 | Image forming apparatus that identifies sheet thickness | Physics | 0 | Active |
| US11945213B2 | Liquid discharge apparatus | Performing Operations; Transporting | 0 | Active |
| US11446935B2 | Printing apparatus and control method therefor | Performing Operations; Transporting | 0 | Active |
| US9057264B2 | Screw shaft structure for double-shaft extruder | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12330411B2 | Printing apparatus and method for controlling the same | Performing Operations; Transporting | 0 | Active |
| US9112244B2 | Battery pack | Emerging Cross-Sectional Technologies | 0 | Active |
| US10675600B2 | Multi-shaft kneading machine | Performing Operations; Transporting | 0 | Active |
| US9457576B2 | Inkjet printing apparatus and method for controlling inkjet printing apparatus | Performing Operations; Transporting | 0 | Active |
| US12359731B2 | Valve device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11892095B2 | Valve device | Emerging Cross-Sectional Technologies | 0 | Active |
| US6761836B2 | Phosphor and flourescent display device | Chemistry; Metallurgy | 0 | Expired |
| US11584143B2 | Liquid discharge apparatus | Performing Operations; Transporting | 0 | Active |
| US11458740B2 | Printing apparatus and method for controlling heating of sheet based on discharged ink amount | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.