Tomio Murayama
14Patents
8h-index
14Co-inventors
61Inventor score
Filing activity: Dec 15, 1980 → Aug 29, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4467365A | Control system for reading device | Electricity | 193 | Expired |
| US4463301A | Step motor driving circuit | Electricity | 45 | Expired |
| US4442460A | Copying machine | Electricity | 17 | Expired |
| US4638329A | Thermal recording method and apparatus | Performing Operations; Transporting | 11 | Expired |
| US4423520A | Quantization circuit for image data transmission system | Electricity | 9 | Expired |
| US4517560A | Printing system | Physics | 9 | Expired |
| US4424964A | Paper transportation control system | Performing Operations; Transporting | 9 | Expired |
| US4386360A | Heat-sensitive recording head | Performing Operations; Transporting | 9 | Expired |
| US4395718A | Thermal transfer recording medium | Performing Operations; Transporting | 8 | Expired |
| US4442441A | Magnetic recording device | Physics | 7 | Expired |
| US4471362A | Recording apparatus | Electricity | 5 | Expired |
| US4415933A | Carrier wave recovery circuit | Electricity | 4 | Expired |
| US4410898A | Multicolor heat-sensitive recording apparatus | Performing Operations; Transporting | 3 | Expired |
| US4412228A | Heat-sensitive recording head driving method | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.