Takashi Mama
13Patents
10h-index
19Co-inventors
65Inventor score
Filing activity: Apr 6, 1987 → Sep 18, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4914459A | Image forming apparatus | Physics | 37 | Expired |
| US4933549A | Light beam scanning apparatus | Electricity | 31 | Expired |
| US5610651A | Image forming apparatus with frequency corrector | Electricity | 29 | Expired |
| US5627649A | Method and device for correcting a position for writing an image | Electricity | 24 | Expired |
| US5376994A | Compact BI-color electrophotographic image forming apparatus | Electricity | 22 | Expired |
| US5803622A | Image forming device having convenient access to serviceable components | Physics | 14 | Expired |
| US5309182A | Bicolor image forming apparatus for forming a bicolor image on a photoconductive element | Electricity | 13 | Expired |
| US5729353A | Method and device for correcting a position for writing an image on a transport belt | Electricity | 13 | Expired |
| US4796265A | Imaging using collectively controlled multiple beams | Electricity | 12 | Expired |
| US5587813A | Data transfer device for an image forming apparatus | Electricity | 10 | Expired |
| US5729349A | Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper | Physics | 5 | Expired |
| US5852499A | Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper | Physics | 5 | Expired |
| US5084715A | Light beam scanning apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.