Hiroh Soga
10Patents
5h-index
21Co-inventors
62Inventor score
Filing activity: Mar 15, 1990 → Mar 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6223017A | Laminate fixing roller, apparatus using same and method for manufacturing laminate fixing roller | Physics | 14 | Expired |
| US7263298B2 | Image forming apparatus mounted with replaceable unit, image forming system, and method of controlling image forming apparatus | Physics | 8 | Expired |
| US7194212B2 | Image forming apparatus attached with replaceable unit | Physics | 5 | Expired |
| US5469245A | Development method and apparatus and multicolor image forming apparatus using these | Physics | 5 | Expired |
| US4976986A | Ink recording medium regenerating method | Performing Operations; Transporting | 5 | Expired |
| US7242873B2 | Image forming apparatus mounted with replaceable unit, image forming system, and method of controlling image forming apparatus | Physics | 4 | Expired |
| US5387460A | Thermal printing ink medium | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5466654A | Erasable display medium | Performing Operations; Transporting | 3 | Expired |
| US7174110B2 | Image forming device having replacement units mounted thereto | Physics | 2 | Expired |
| US5764267A | Conduction recording head | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.