Hiroo Kitagawa
22Patents
7h-index
44Co-inventors
69Inventor score
Filing activity: Nov 8, 1990 → May 3, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5121428A | Speaker verification system | Physics | 58 | Expired |
| US5289147A | Image forming apparatus having system for reducing noise | Physics | 25 | Expired |
| US6701095B1 | Office information system having a device which provides an operational message of the system when a specific event occurs | Physics | 22 | Expired |
| US5245385A | Image forming apparatus which reduces noise generated therefrom | Physics | 13 | Expired |
| US6950613B2 | Office information system having a device which provides an operational message of the system when a specific event occurs | Physics | 10 | Expired |
| US8768232B2 | Information processing apparatus, image forming system, and computer program product | Physics | 9 | Active |
| US7146111B2 | Office information system having a device which provides an operational message of the system when a specific event occurs | Physics | 8 | Expired |
| US7664904B2 | High speed serial switch fabric performing mapping of traffic classes onto virtual channels | Physics | 7 | Active |
| US7698484B2 | Information processor configured to detect available space in a storage in another information processor | Physics | 5 | Active |
| US8934827B2 | Print control apparatus, printing system, and print control method | Physics | 3 | Active |
| US9030711B2 | Controller, image forming apparatus, and computer program product for restricting total toner amount | Electricity | 2 | Active |
| US9069319B2 | Information processing apparatus and information processing method | Physics | 2 | Active |
| US9110426B2 | Information processing apparatus, data generation method, and data structure | Physics | 2 | Active |
| US8922837B2 | Print control device, image forming system, and computer-readable storage medium | Electricity | 2 | Active |
| US9508030B2 | Information processing apparatus with image generating unit generating gloss-control plane data and designating emphasis to an image region for glossiness control to change surface effect of recording medium | Electricity | 1 | Active |
| US9342026B2 | Print control apparatus, image forming system, print control method, and printed-matter manufacturing method | Physics | 0 | Active |
| US9342027B2 | Printing control apparatus, image forming system, and printing control method which replace a type of surface effect imparted on a recording medium | Physics | 0 | Active |
| US9354582B2 | Print control apparatus, printing system, and print control method | Physics | 0 | Active |
| US9575454B2 | Information processing apparatus generating gloss control data | Physics | 0 | Active |
| US9671740B2 | Print control apparatus, printing system, and print control method | Physics | 0 | Active |
| US9354583B2 | Information processing apparatus, method, and storage medium for generating image data specifying a type of surface effect | Physics | 0 | Active |
| US9977391B2 | Print control apparatus, image forming system, print control method, and printed-matter manufacturing method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.