Tadayoshi Ohno
36Patents
12h-index
26Co-inventors
77Inventor score
Filing activity: Apr 14, 1983 → Sep 17, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4884080A | Color image printing apparatus | Electricity | 50 | Expired |
| US4897668A | Apparatus for transferring ink from ink ribbon to a recording medium by applying heat to the medium, thereby recording data on the medium | Performing Operations; Transporting | 28 | Expired |
| US5099259A | Halftone image printing device | Electricity | 28 | Expired |
| US4724446A | Thermal transfer printing apparatus | Electricity | 26 | Expired |
| US6290138A | Wireless data storage medium with flexible image recording section | Physics | 25 | Expired |
| US5168313A | Toner image transfer method and device for electrophotographic printing apparatus | Physics | 21 | Expired |
| US6404335B1 | Apparatus for issuing wireless information storage media | Physics | 19 | Expired |
| US4890121A | Halftone image printing device | Physics | 19 | Expired |
| US5640189A | Image forming apparatus using an electrode matrix to form a latent image | Physics | 14 | Expired |
| US5138348A | Apparatus for generating ions using low signal voltage and apparatus for ion recording using low signal voltage | Physics | 14 | Expired |
| US4819008A | Thermal head driver circuit | Physics | 14 | Expired |
| US5380394A | Image forming apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4985716A | Apparatus for generating ions using low signal voltage | Performing Operations; Transporting | 12 | Expired |
| US5157413A | Thermal inked ribbon printer mechanism | Performing Operations; Transporting | 12 | Expired |
| US5430277A | Image recording medium, a processing apparatus thereof, and an entrance/exit control system using the image recording medium | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5424523A | Record medium and record medium processing apparatus | Physics | 11 | Expired |
| US5235345A | Image recording apparatus for thermally recording images on a thermal-sensitive medium | Performing Operations; Transporting | 11 | Expired |
| US5453765A | Thermally reversible printing system with ambient temperature compensation | Performing Operations; Transporting | 10 | Expired |
| US5424764A | Thermal recording apparatus for recording and erasing an image on and from a recording medium | Performing Operations; Transporting | 10 | Expired |
| US4725860A | Ink carrier film in use with ink jet recording device | Performing Operations; Transporting | 10 | Expired |
| US5498860A | Portable storage medium and processing apparatus therefor | Physics | 9 | Expired |
| US4532524A | Thermal ink-transfer printing apparatus | Performing Operations; Transporting | 9 | Expired |
| US4707707A | Thermal-transfer ink ribbon | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5570124A | Portable storage medium and apparatus for processing the same | Performing Operations; Transporting | 7 | Expired |
| US5436643A | Method and apparatus of recording images on recording medium capable of repetitive recordings, using various recording energies | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.