John C. Owens
20Patents
9h-index
32Co-inventors
71Inventor score
Filing activity: Sep 25, 1984 → Jan 28, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5239437A | Self identifying universal data storage element | Physics | 108 | Expired |
| US5465187A | Magnetic tape cartridge having leader block retainer mechanism | Physics | 37 | Expired |
| US5303875A | Leader block for magnetic tape cartridge | Physics | 24 | Expired |
| US5371644A | Self identifying universal data storage element with human intelligible write protect mechanism | Physics | 13 | Expired |
| US5351159A | Magnetic tape cartridge having media identification | Physics | 12 | Expired |
| US6693758B2 | Tape cartridge transport magazine for an automated tape cartridge autoloader/library system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5261626A | Magnetic tape cartridge having self docking leader block | Physics | 12 | Expired |
| US5333810A | Raised linear threading mechanism for a tape transport system | Physics | 11 | Expired |
| US5374003A | Tape threading system for a helical tape drive | Physics | 9 | Expired |
| US6693759B2 | Compact form factor for an automated tape cartridge autoloader/library system | Physics | 7 | Expired |
| US5232180A | Magnetic tape cartridge having leader block latch mechanism | Physics | 7 | Expired |
| US6829116B1 | Automated tape cartridge autoloader/library system | Physics | 5 | Expired |
| US6816331B2 | Tape cartridge picker for an automated tape cartridge autoloader/library system | Physics | 4 | Expired |
| US5325255A | Self identifying universal data storage element | Physics | 4 | Expired |
| US5629815A | Apparatus and method for reducing head wear in helical scan tape transport | Physics | 4 | Expired |
| US4635870A | Rell hub for a magnetic tape drive | Physics | 2 | Expired |
| US4944995A | Tape having a surface with a low coefficient of friction and long wear characteristics | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6577467B2 | Helical scan transport for single reel tape cartridge | Physics | 1 | Expired |
| US6239930A | Method and apparatus for automatically activating a one of video data channel and a computer data channel in a tape drive in response to detection of the nature of the data recorded on a magnetic tape loaded in the tape drive | Electricity | 1 | Expired |
| USD367828S | Indicator portion of a write protect block | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.