Ryosuke Koishi
21Patents
10h-index
19Co-inventors
68Inventor score
Filing activity: Nov 16, 1995 → Nov 15, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6424494B1 | Flying head slider having rail narrowed near trailing end | Physics | 33 | Expired |
| US6040958A | Magnetic head slider and magnetic disk apparatus having the magnetic head slider | Physics | 32 | Expired |
| US6396664B2 | Negative pressure air bearing slider | Physics | 22 | Expired |
| US6801398B1 | Magnetic head suspension assembly with adhesion limiting structure | Physics | 18 | Expired |
| US6437944B2 | Head slider supporting device, disk device and suspension | Physics | 12 | Expired |
| US6349018B2 | Negative pressure air bearing slider | Physics | 12 | Expired |
| US6683755B2 | Negative pressure type head slider and disk drive employing same | Physics | 12 | Expired |
| US7095591B2 | Head slider having microactuator | Physics | 11 | Expired |
| US6940694B2 | Magnetic head assembly having thin-film dummy patterns provided on surface of gimbal spring | Physics | 10 | Expired |
| US6243233A | Magnetic head slider and magnetic disk apparatus having the magnetic head slider | Physics | 10 | Expired |
| US7027265B2 | Flying head slider capable of avoiding collision when loaded having an air clogging dished space | Physics | 8 | Expired |
| US5726830A | Air-bearing electromagnetic head slider having negative pressure generating means | Physics | 7 | Expired |
| US5894379A | Magnetic head slider with rail leading portions increasing in thickness over rail portions which widen and narrow | Physics | 7 | Expired |
| US6728070B2 | Flying head slider capable of avoiding collision when loaded | Physics | 7 | Expired |
| US6157518A | Head slider having a trapezoidal shape | Physics | 5 | Expired |
| US6501622B2 | Head slider capable of improving shock resistance of recording disk drive | Physics | 3 | Expired |
| US6583962B2 | Head slider supporting device, disk device and suspension having thermal protection for head IC chip | Physics | 3 | Expired |
| US6754043B2 | Head slider | Physics | 3 | Expired |
| US6992861B2 | Head suspension for swing arm actuator | Physics | 2 | Expired |
| US7133258B2 | Flying head slider capable of avoiding collision when loaded | Physics | 1 | Expired |
| US6999283B2 | Flying head slider capable of avoiding collision when loaded | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.