Hiroshi Takami
34Patents
10h-index
39Co-inventors
75Inventor score
Filing activity: Mar 10, 1995 → Dec 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5771803A | Tape cassette housing thermally perforatable stencil paper | Performing Operations; Transporting | 124 | Expired |
| US7283145B2 | Image heating apparatus and heater therefor | Physics | 53 | Active |
| US7193181B2 | Image heating apparatus and heater used therefor | Physics | 49 | Expired |
| US6026257A | Image forming apparatus with constant current voltage control | Physics | 17 | Expired |
| US6421139B1 | Image forming apparatus for forming image on free-size sheet having arbitrary size | Electricity | 15 | Expired |
| US6539184B2 | Image forming apparatus with current control | Physics | 14 | Expired |
| US5974969A | Stamp unit with ink pack filled with ink | Performing Operations; Transporting | 14 | Expired |
| US5996493A | Stamp unit protection element | Performing Operations; Transporting | 14 | Expired |
| US5586500A | Stencil stamp | Performing Operations; Transporting | 13 | Expired |
| US6615002B2 | Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing member | Physics | 12 | Expired |
| US7199335B2 | Heat fusing apparatus, method of controlling same and image forming apparatus | Physics | 10 | Expired |
| US6276272A | Stamp plate producing apparatus for producing stamp plate used in a stamp device | Performing Operations; Transporting | 9 | Expired |
| US6278103A | Charging apparatus which controls oscillating component to stabilize current | Physics | 9 | Expired |
| US7337130B2 | Methods for automatically providing a personalized product | Physics | 8 | Expired |
| US6564023B2 | Image forming apparatus with AC current detector | Physics | 7 | Expired |
| US7266314B2 | Image forming apparatus and fixing device used therein | Physics | 6 | Expired |
| US6164202A | Stamp unit | Performing Operations; Transporting | 6 | Expired |
| US7139501B2 | Charge voltage control circuit and image forming apparatus which controls a charge voltage based on a discharge current | Physics | 6 | Expired |
| US6112662A | Stamp unit | Performing Operations; Transporting | 5 | Expired |
| US8200113B2 | Fixing apparatus comprising circuit for suppressing heat generation according to rotation detection signal | Physics | 4 | Active |
| US6744993B2 | Sheet winding detecting device and image forming apparatus | Physics | 4 | Expired |
| US6985680B2 | Image forming apparatus | Physics | 4 | Expired |
| US9244397B2 | Image heating apparatus having fixing member and supplying cooling air to a non-sheet-passing area for cooling the fixing member | Physics | 2 | Active |
| US5704968A | Stamp ink and stamp ink impregnation pad for stencil printing | Performing Operations; Transporting | 2 | Expired |
| US8139963B2 | Image fixing apparatus with safety relay and control thereof | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.