Masami Iwama
11Patents
2h-index
24Co-inventors
54Inventor score
Filing activity: Apr 24, 1995 → May 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6109802A | Dot line printer for preventing the overheating of printing elements by selectively activating the printing elements | Performing Operations; Transporting | 4 | Expired |
| US5662421A | Print speed controlled dot line printer depending on print density | Performing Operations; Transporting | 3 | Expired |
| US10179452B2 | Liquid discharge head, liquid discharge device, and liquid discharge apparatus | Performing Operations; Transporting | 2 | Active |
| US8366242B2 | Liquid-ejection head unit and image forming apparatus | Performing Operations; Transporting | 1 | Active |
| US8931871B2 | Driving device of liquid-jet head, liquid-jet device and method for driving liquid-jet head | Performing Operations; Transporting | 1 | Active |
| US5826990A | Method and device for limiting a number of times each print hammer is driven during a predetermined period of time | Performing Operations; Transporting | 1 | Expired |
| US11077688B2 | Liquid discharge head and liquid discharge apparatus | Performing Operations; Transporting | 0 | Active |
| US10076918B2 | Liquid-discharging head, liquid-discharging unit, and apparatus configured to discharge liquid | Performing Operations; Transporting | 0 | Active |
| US10576742B2 | Liquid discharge head and liquid discharge apparatus | Performing Operations; Transporting | 0 | Active |
| US8974026B2 | Liquid droplet ejection head, control device, control method, and manufacturing method of the same, and recording medium of the same methods | Emerging Cross-Sectional Technologies | 0 | Active |
| US12330419B2 | Liquid discharge head and image forming apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.