Kei Hara
21Patents
8h-index
29Co-inventors
75Inventor score
Filing activity: Mar 19, 1992 → Jun 28, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD665055S1 | Shower plate | General | 537 | Active |
| US7297106B2 | Medical treating instrument | Human Necessities | 120 | Expired |
| US7693204B2 | Surface-emitting laser device and surface-emitting laser array including same | Electricity | 31 | Active |
| US8089498B2 | Surface-emission laser array, optical scanning apparatus apparatus and image forming apparatus | Electricity | 27 | Active |
| US7061513B2 | Image recording body and image forming apparatus by use of the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8508567B2 | Surface-emission laser array, optical scanning apparatus and image forming apparatus | Electricity | 19 | Active |
| US5999244A | Projection exposure apparatus, method for correcting positional discrepancy of projected image, and method for determining image formation characteristic of projection optical system | Physics | 18 | Expired |
| US5206685A | Apparatus for maintaining an electrophotographic apparatus | Electricity | 16 | Expired |
| US6589708B1 | Image recording body and image forming device using the image recording body | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5602637A | Color printer | Physics | 5 | Expired |
| US7991033B2 | Vertical cavity surface emitting laser (VCSEL), VCSEL array device, optical scanning apparatus, and image forming apparatus | Electricity | 3 | Active |
| US5233370A | Method and apparatus of exposure for correcting electrostatic latent image outline | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7976521B2 | Body fluid suction reservoir | Human Necessities | 2 | Active |
| US5568178A | Method and apparatus for driving edge-emission type electroluminescent elements, method and apparatus for driving a line head having a plurality of edge-emission type electroluminescent elements and image forming apparatus for forming image data on | Performing Operations; Transporting | 1 | Expired |
| US6166753A | Thermal printer | Performing Operations; Transporting | 1 | Expired |
| US8995489B2 | Semiconductor stack and vertical cavity surface emitting laser | Electricity | 1 | Active |
| US5963243A | Exposing device for correcting an f.theta. error of a rotatable polygon mirror without using an f.theta. lens | Physics | 1 | Expired |
| US6961074B2 | Image recording body and image forming apparatus by use of the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5592210A | Method and apparatus for driving edge emission type line head | Performing Operations; Transporting | 0 | Expired |
| US8830287B2 | Surface-emission laser array, optical scanning apparatus and image forming apparatus | Electricity | 0 | Active |
| US7641639B2 | Body fluid suction reservoir | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.