National Business Machines Corporation
4Patents
0Active
4Granted
28Portfolio score
Filing activity: Feb 20, 1990 → Jun 29, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5497359A | Optical disk data storage system with radiation-transparent air-bearing slider | Physics | 142 | Expired |
| US5493680A | Method for creating an object subclass with selective inheritance | Physics | 74 | Expired |
| US5128666A | Protocol and apparatus for a control link between a control unit and several devices | Physics | 14 | Expired |
| US6910048B1 | Object oriented framework mechanism for data transfer between a data source and a data target | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.