Hitoshi Tsujino
22Patents
11h-index
31Co-inventors
71Inventor score
Filing activity: Jul 17, 1991 → Dec 22, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5508860A | Disk drive design having reduced height and improved means for electrical connections | Physics | 36 | Expired |
| US6185075A | Actuator arm assembly for a magnetic storage device | Physics | 34 | Expired |
| US6055133A | Disk drive head support arm and arm assembly utilizing plural datum features | Physics | 28 | Expired |
| US6212046A | Arm assembly for a disk drive device and a method for fabricating the same | Physics | 26 | Expired |
| US5796555A | Transducer suspension system having bosses with different inner diameters, and equal outer diameters | Physics | 17 | Expired |
| US6480362B1 | Flex cable, head suspension assembly, and hard disk drive | Physics | 16 | Expired |
| US5315464A | Disk apparatus and manufacturing method thereof | Physics | 16 | Expired |
| US5543982A | Disk drive apparatus having a device inside the disk drive housing for electrically connecting a spin motor cable outside the housing to a connector outside the housing | Physics | 13 | Expired |
| US5483400A | Disk drive apparatus | Physics | 13 | Expired |
| US5532891A | Disk drive apparatus | Physics | 13 | Expired |
| US5646802A | Disk drive with head suspensions mounted to actuator arm opposite sides to face respective upper and lower surfaces of disk | Physics | 12 | Expired |
| US6424501B1 | Disk drive ramp structure having integrated discrete rigid support elements for data storage device | Physics | 9 | Expired |
| US6034843A | Actuator arm assembly and wiring aparatus used in a disk storage system for wiring voice coil wires to a flex cable | Physics | 9 | Expired |
| US7317595B2 | Suspension assembly and rotary disk storage device | Physics | 9 | Expired |
| US5896245A | Structure in a disk drive system for attaching a load beam to a head actuator carriage including a mountplate having side ends surrounding a swage hole | Physics | 8 | Expired |
| US6327814A | Apparatus and method for attaching a hard disk drive to a personal computer system | Electricity | 4 | Expired |
| US7573671B2 | Disk device with reduced flutter | Physics | 3 | Active |
| US6940699B2 | Disk drive apparatus having a pivot for supporting a head assembly to allow free pivoting | Physics | 2 | Expired |
| US7460340B2 | Disk drive, and actuator and head actuator assembly | Physics | 2 | Active |
| US7483239B2 | Magnetic disk drive with adjustment of rotational balance | Physics | 2 | Active |
| US7545599B2 | Disk drive with vibration suppression member disposed near head assembly | Physics | 1 | Active |
| US7486484B2 | Arm chamfer for comb type actuator in rotating disk storage device and carriage assembly | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.