Kaoru Yasukawa
41Patents
12h-index
32Co-inventors
81Inventor score
Filing activity: Mar 13, 1990 → May 14, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6603867B1 | Three-dimensional object identifying system | Physics | 178 | Expired |
| US6657614B1 | Detecting apparatus, input apparatus, pointing device, individual identification apparatus, and recording medium | Electricity | 162 | Expired |
| US5197050A | Flying head for a magneto-optical recording drive | Physics | 52 | Expired |
| US5124961A | Floating head for use with a recording apparatus of magneto-optical memory device | Physics | 51 | Expired |
| US5144616A | Laser diode and multibeam optical head using the laser diode | Electricity | 34 | Expired |
| US8132049B2 | Failure diagnosis method, failure diagnosis apparatus, conveyance device, image forming apparatus, program, and storage medium | Physics | 32 | Active |
| US5220547A | Method and device for controlling optical head moving speed | Physics | 23 | Expired |
| US7174264B2 | Fault diagnosis apparatus | Performing Operations; Transporting | 18 | Expired |
| US7243045B2 | Failure diagnosis method, failure diagnosis apparatus, image forming apparatus, program, and storage medium | Electricity | 16 | Expired |
| US7250781B2 | Circuit board inspection device | Physics | 16 | Expired |
| US5218587A | Magnetic optical recording/reproducing apparatus | Physics | 15 | Expired |
| US5247503A | Optical recording and reproducing apparatus with separated high and low frequency servo signals | Physics | 13 | Expired |
| US5880766A | Apparatus for correcting positional deviation of light source emitting light beams in image recording apparatus | Electricity | 12 | Expired |
| US7324909B2 | Fault diagnosis apparatus | Performing Operations; Transporting | 12 | Active |
| US7275009B2 | Fault diagnosis apparatus | Performing Operations; Transporting | 12 | Expired |
| US7903844B2 | Failure analysis system, failure analysis method, and program product for failure analysis | Physics | 10 | Active |
| US7003258B2 | Transfer device, transfer method and image forming device | Performing Operations; Transporting | 9 | Expired |
| US7676703B2 | Failure diagnosis system, image forming apparatus, computer readable medium and data signal | Physics | 7 | Active |
| US7239738B2 | Image defect inspecting apparatus and image defect inspecting method | Physics | 7 | Expired |
| US7489881B2 | Failure prevention diagnosis support system, failure prevention diagnosis support method, and program product of failure prevention diagnosis support | Physics | 5 | Active |
| US5533042A | Semiconductor laser device and driving method for the same as well as tracking servo system employing the same | Electricity | 5 | Expired |
| US8050576B2 | Management system, management device, management method and computer readable medium | Physics | 3 | Active |
| US8145955B2 | Monitoring apparatus, information processing system, monitoring method and computer readable medium | Physics | 3 | Active |
| US8265892B2 | Manufacturing products management method, system and apparatus | Emerging Cross-Sectional Technologies | 2 | Active |
| US8949039B2 | Prediction apparatus, prediction system, image forming apparatus, medium transporter, and computer readable medium | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.