Hiroshi Koide
78Patents
18h-index
99Co-inventors
87Inventor score
Filing activity: May 7, 1974 → Aug 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6487149B1 | Optical recording and reproducing methods for optical disk | Physics | 42 | Expired |
| US6545958B1 | Optical-pickup device and tilt-detecting method thereof | Physics | 40 | Expired |
| US8332430B2 | Secure search performance improvement | Electricity | 37 | Active |
| US5638354A | Optical information recording medium | Physics | 37 | Expired |
| US8725770B2 | Secure search performance improvement | Electricity | 36 | Active |
| US4546749A | Fuel injection apparatus | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4753212A | High-pressure fluid control solenoid valve assembly with coaxially arranged two valves | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US3960118A | Air-fuel ratio adjusting device in an internal combustion engine having a carburetor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7693439B2 | Fixing device, and method and device for heating control used in the same | Physics | 23 | Active |
| US6941096B2 | Belt drive control device and image forming apparatus including the same | Physics | 23 | Expired |
| US6771919B2 | Image forming apparatus with reduced variation of rotation speed of image carrier | Physics | 22 | Expired |
| US8433712B2 | Link analysis for enterprise environment | Physics | 22 | Active |
| US9467437B2 | Flexible authentication framework | Electricity | 22 | Active |
| US7734208B2 | Image fixing apparatus and image forming apparatus capable of effectively controlling an image fixing temperature | Physics | 22 | Active |
| US5073888A | Optical pickup device | Physics | 21 | Expired |
| US7587157B2 | Image forming apparatus capable of correcting a rotation speed of an image carrier | Physics | 19 | Active |
| US9177124B2 | Flexible authentication framework | Electricity | 18 | Active |
| US4491117A | Apparatus for supplying cooled fuel to an engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6507713B2 | Image-formation apparatus, controlling method thereof and image-formation method | Electricity | 17 | Expired |
| US7343119B2 | Belt drive control method, belt-drive control device, and image forming apparatus | Physics | 16 | Expired |
| US4620301A | Recording disk drive unit | Electricity | 15 | Expired |
| US6445656B1 | Optical recording/reproducing method and apparatus for optical storage media | Physics | 15 | Expired |
| US6343053B1 | Objective lens driving apparatus for driving an objective lens of an optical disk drive | Physics | 15 | Expired |
| US4583212A | Record/playback head positioning device for optical disc apparatus | Physics | 14 | Expired |
| US5790511A | Dust-proof structure for optical pickup unit | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.