FUJITSU LIMITED
56,293Patents
18,807Active
56,293Granted
53Portfolio score
Filing activity: May 28, 1970 → Jun 27, 2024 · 6,667 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5448724A | Data processing system having double supervising functions | Physics | 987 | Expired |
| US5841284A | Apparatus for monitoring power of battery to supply electric power to load | Physics | 896 | Expired |
| US6839680B1 | Internet profiling | Physics | 870 | Expired |
| US6528187B1 | Material for luminescence element and luminescence element using the same | Emerging Cross-Sectional Technologies | 801 | Expired |
| US6732124B1 | Data processing system with mechanism for restoring file systems based on transaction logs | Emerging Cross-Sectional Technologies | 775 | Expired |
| US5625222A | Semiconductor device in a resin package housed in a frame having high thermal conductivity | Emerging Cross-Sectional Technologies | 654 | Expired |
| US5480818A | Method for forming a film and method for manufacturing a thin film transistor | Emerging Cross-Sectional Technologies | 627 | Expired |
| US6512919B2 | Electronic shopping system utilizing a program downloadable wireless videophone | Physics | 618 | Expired |
| US5999179A | Platform independent computer network management client | Emerging Cross-Sectional Technologies | 618 | Expired |
| US6463582B1 | Dynamic optimizing object code translator for architecture emulation and dynamic optimizing object code translation method | Physics | 604 | Expired |
| US4939568A | Three-dimensional integrated circuit and manufacturing method thereof | Electricity | 602 | Expired |
| US7606560B2 | Authentication services using mobile device | Electricity | 579 | Active |
| US5706210A | Network monitoring device | Electricity | 555 | Expired |
| US5777838A | Electrostatic chuck and method of attracting wafer | Emerging Cross-Sectional Technologies | 538 | Expired |
| US6129274A | System and method for updating shopping transaction history using electronic personal digital shopping assistant | Physics | 537 | Expired |
| US6465892B1 | Interconnect structure for stacked semiconductor device | Electricity | 533 | Expired |
| US5835911A | Software distribution and maintenance system and method | Emerging Cross-Sectional Technologies | 522 | Expired |
| US6154764A | On-line forum-type electronic conference system maintaining consistency of messages | Physics | 492 | Expired |
| US4197555A | Semiconductor device | Electricity | 492 | Expired |
| US5314724A | Process for forming silicon oxide film | Electricity | 491 | Expired |
| US5913202A | Financial information intermediary system | Physics | 479 | Expired |
| US6316838A | Semiconductor device | Electricity | 475 | Expired |
| US4384918A | Method and apparatus for dry etching and electrostatic chucking device used therein | Electricity | 469 | Expired |
| US6085168A | Electronic commerce settlement system | Physics | 466 | Expired |
| US5961775A | Apparatus for removing organic resist from semiconductor | Physics | 463 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.