Yusuke Ishihara
91Patents
9h-index
28Co-inventors
78Inventor score
Filing activity: Jul 31, 1989 → Jul 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD687859S1 | Portion of a display screen with an icon | General | 51 | Active |
| US6349892B2 | Magnetic tape cartridge | Physics | 34 | Expired |
| US6236539A | Magnetic tape cartridge with spring member abutting leader pin | Physics | 33 | Expired |
| US4961884A | Process for producing substrate of optical disc | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6499686B2 | Magnetic tape cartridge | Physics | 17 | Expired |
| US6349016B1 | Magnetic tape cartridge | Physics | 16 | Expired |
| US6577471B1 | Magnetic tape cartridge | Physics | 15 | Expired |
| US6563671B2 | Magnetic tape cartridge having brake with skirt portion thereof contacting reel hub continous wall portion | Physics | 10 | Expired |
| US6435439B1 | Magnetic tape cartridge | Physics | 9 | Expired |
| US6680818B1 | Magnetic tape cartridge for housing a reel | Physics | 9 | Expired |
| US6663036B1 | Magnetic tape cartridge | Physics | 8 | Expired |
| USD985618S1 | Portion of a display panel with a computer icon image | General | 8 | Active |
| US6462906B2 | Magnetic tape cartridge | Physics | 7 | Expired |
| US6443304B1 | Cassette container | Physics | 7 | Expired |
| US6331922A | Magnetic tape cartridge with elastic member for removably holding leader pin | Physics | 7 | Expired |
| US6751059B2 | Magnetic tape cartridge with urging member acting on reel brake radial outer periphery | Physics | 6 | Expired |
| US6913217B2 | Recording tape cartridge | Physics | 6 | Expired |
| USD687860S1 | Portion of a display screen with an icon | General | 6 | Active |
| US6698676B2 | Magnetic tape cartridge | Physics | 5 | Expired |
| US6663035B2 | Magnetic tape cartridge | Physics | 5 | Expired |
| US6693770B2 | Cartridge casing for a magnetic tape cartridge | Physics | 5 | Expired |
| US7059554B2 | Recording tape cartridge | Physics | 5 | Expired |
| US6717771B1 | Magnetic tape cartridge having projections | Physics | 5 | Expired |
| US5013593A | Information storage medium and process for producing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6624975B2 | Magnetic tape cartridge having projections | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.