Yasuhiro Tabata
35Patents
17h-index
30Co-inventors
81Inventor score
Filing activity: Mar 15, 1976 → Sep 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6537324B1 | Generating and storing a link correlation table in hypertext documents at the time of storage | Physics | 162 | Expired |
| US6381593B1 | Document information management system | Emerging Cross-Sectional Technologies | 158 | Expired |
| US6658408B2 | Document information management system | Emerging Cross-Sectional Technologies | 145 | Expired |
| US4231561A | Auto document feeder for use with duplex copying machine | Physics | 84 | Expired |
| US5604596A | Copying apparatus having determination unit for special original and for controlling copying and marking based on determination | Electricity | 66 | Expired |
| US7363580B2 | Intermediate address table for converting position information to an address of a link structure correlated information file on a hypertext document | Physics | 59 | Expired |
| US4218128A | Duplex copying machine | Physics | 46 | Expired |
| US6356923B1 | Document information management system | Physics | 43 | Expired |
| US4272180A | Electrostatic copying machine | Physics | 43 | Expired |
| US6035308A | System and method of managing document data with linking data recorded on paper media | Physics | 36 | Expired |
| US5678135A | Image forming apparatus for a multiplex copying system | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5798844A | Duplicator having function concerning specific mark put on recording sheet and image forming apparatus having function of processing confidential documents | Electricity | 31 | Expired |
| US6198542A | Network control method and system | Electricity | 29 | Expired |
| US6014668A | Document information management system and method of generating a human-computer interactive document sheet allowing relevant information retrieval from a remote site | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5717843A | Image recording apparatus | Electricity | 26 | Expired |
| US5602651A | Image recording apparatus | Electricity | 24 | Expired |
| US5774232A | Image recording apparatus | Electricity | 23 | Expired |
| US4218130A | Method for controlling a copying apparatus adapted to print images on opposite surfaces of a copy sheet | Physics | 16 | Expired |
| US4187024A | Electrostatic copying machine | Physics | 16 | Expired |
| US5448346A | Image recording apparatus and method including image size recognition and centering of the reproduced image | Physics | 15 | Expired |
| US4110025A | Duplex electrostatic copying machine | Performing Operations; Transporting | 15 | Expired |
| US6910184B1 | Document information management system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4142792A | Electrophotographic apparatus | Physics | 11 | Expired |
| US7016058B1 | Network control method and system | Electricity | 11 | Expired |
| US4399431A | Alarm or warning device for signaling left-behind master or original | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.