Soo-han Park
43Patents
5h-index
42Co-inventors
69Inventor score
Filing activity: Dec 29, 1989 → Aug 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5986998A | Optical head having two vertical cavity surface emitting lasers with different wavelengths | Electricity | 16 | Expired |
| US5018804A | Laser pick-up | Physics | 8 | Expired |
| US5717666A | Apparatus for aligning optical axis of optical pick-up | Physics | 6 | Expired |
| US7450477B2 | Optical pickup having a polarization beam splitter | Physics | 5 | Active |
| US6023450A | Multiple beam optical pickup using a vertical cavity surface emitting laser array | Electricity | 5 | Expired |
| US7619951B2 | Optical pickup actuator and optical recording and/or reproducing apparatus | Physics | 3 | Active |
| US7543312B2 | Optical pickup device | Physics | 3 | Active |
| US7656757B2 | Optical pickup for an optical recording and/or reproducing apparatus including an actuator forming a predetermined angel with respect to the pickup base | Physics | 2 | Active |
| US7345820B2 | Optical pick-up apparatus | Physics | 2 | Expired |
| US7696258B2 | Photo-curable adhesive composition, optical pick-up device using the same and optical recording/reproducing drive including the optical pick-up device | Chemistry; Metallurgy | 2 | Active |
| US7595352B2 | Photo-curable adhesive composition, optical pick-up device using the same, and optical recording/reproducing drive including the optical pick-up device | Emerging Cross-Sectional Technologies | 2 | Active |
| US7593306B2 | Diffraction element and optical pick-up apparatus having the same | Physics | 2 | Active |
| US7254098B2 | CD-DVD compatible optical pickup and optical recording and/or reproducing apparatus using the same | Physics | 2 | Expired |
| US7298688B2 | Light emitting module and optical pickup apparatus and method employing the same | Physics | 2 | Expired |
| US7586826B2 | Compatible optical pickup | Physics | 2 | Expired |
| US7145859B2 | Compatible optical pickup and method of aligning optical axes therein | Physics | 2 | Expired |
| US7342868B2 | Compatible optical pickup apparatus | Physics | 1 | Expired |
| US7180838B2 | Optical pickup apparatus with single light source module | Physics | 1 | Expired |
| US7092325B2 | Method of arranging optical pickup system and optical recording and/or reproducing apparatus having the arranged optical pickup system | Physics | 1 | Expired |
| US7369467B2 | Optical pickup including polarization holographic optical element and photodetector | Physics | 1 | Active |
| US7435934B2 | Optical pickup apparatus which is compatible with multiple types of media | Physics | 1 | Active |
| US7334246B2 | Optical pickup apparatus for optical disc drive having an improved receiving unit | Physics | 1 | Expired |
| US7898922B2 | Optical pickup apparatus | Physics | 1 | Active |
| US7881168B2 | Optical pick-up apparatus for multi recording/reproducing | Physics | 1 | Active |
| US7426172B2 | Optical module and optical pickup including the same | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.