Hiroshi Kohso
20Patents
8h-index
19Co-inventors
72Inventor score
Filing activity: Jul 24, 1992 → Jul 6, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5602819A | Optical information system to detect reflection of pit depth by evanescent wave | Physics | 34 | Expired |
| US5463609A | Information recording and reproducing device and a method using the same | Physics | 20 | Expired |
| US5313353A | Magnetic head suspension united support arm with ribbed cut-out | Physics | 19 | Expired |
| US7019938B2 | Head positioning method, and disk apparatus using the same | Physics | 17 | Expired |
| US5325252A | Magnetic disc apparatus having two flexible bending members of an FPC between a fixing portion and a rocking actuator bent in opposite directions | Physics | 16 | Expired |
| US7031099B2 | Head positioner and information recording/replaying apparatus | Physics | 14 | Expired |
| US6496323B1 | Information recording/reproducing apparatus and method | Physics | 12 | Expired |
| US6950271B2 | Disk drive and disk drive control method | Physics | 11 | Expired |
| US6950274B2 | Disk storage apparatus and disk storage apparatus control method | Physics | 8 | Expired |
| US5582896A | Recording and reproducing medium and a recording and reproducing apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6995945B2 | Head positioning system, disk drive apparatus using the same, and head positioning method | Physics | 6 | Expired |
| US5577016A | Recording medium having concavo-convex pits with a maximum and a minimum pit depth depending on the wavelength of a laser light | Physics | 6 | Expired |
| US5614279A | Recording and reproducing medium and a recording and reproducing apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7095575B2 | Magnetic disk apparatus, method for determining data track pitch, and self-servo write method | Physics | 4 | Expired |
| US7064919B2 | Disk storage apparatus | Physics | 4 | Expired |
| US6982848B2 | Disk apparatus and head positioning method | Physics | 4 | Expired |
| US7038877B2 | Head positioning apparatus | Physics | 4 | Expired |
| US7177106B2 | Disk storage apparatus | Physics | 3 | Expired |
| US5657182A | Casing of a magnetic recording and reproducing apparatus having rails for detachable mounting to a computer | Physics | 2 | Expired |
| US10240281B2 | Clothing item separating device and clothing item processing device comprising same | Textiles; Paper | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.