Daisuke Koreeda
51Patents
7h-index
15Co-inventors
65Inventor score
Filing activity: Jun 24, 1999 → Jan 29, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6396627B1 | Stereoscopic microscope including zoom and relay optical systems | Physics | 45 | Expired |
| US6522476B2 | Three-group zoom lens | Physics | 12 | Expired |
| US6384968B1 | Microscope with illuminating optical system | Physics | 11 | Expired |
| US6822800B2 | Objective lens for optical pickup | Physics | 7 | Expired |
| US6734890B2 | Scanning optical system | Physics | 7 | Expired |
| US6731419B2 | Scanning optical system | Physics | 7 | Expired |
| US6982838B2 | Objective lens for optical pick-up | Physics | 7 | Expired |
| US7042608B2 | Scanning optical system | Physics | 6 | Expired |
| US6906824B1 | Tandem type printer scanning optical system having diffraction lens structure | Physics | 6 | Expired |
| US6956686B2 | Scanning optical system | Physics | 5 | Expired |
| US7035193B2 | Objective lens for optical disc | Physics | 5 | Expired |
| US7038862B2 | Objective lens for optical pick-up | Physics | 5 | Expired |
| US6771406B2 | Scanning optical system | Physics | 4 | Expired |
| US7239598B2 | Objective lens for optical pick-up | Physics | 3 | Expired |
| US9664881B2 | Imaging optical system | Physics | 3 | Active |
| US6790389B2 | Complex lens for a tandem scanning optical system and a manufacturing method thereof | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7839752B2 | Optical disc drive and objective lens for the same | Physics | 2 | Active |
| US6937374B2 | Scanning optical system | Physics | 2 | Expired |
| US7738345B2 | Optical disc drive and objective lens for the same | Physics | 2 | Active |
| US7430159B2 | Optical pick-up and objective lens for use with different types of optical discs | Physics | 2 | Active |
| US7019768B2 | Scanning optical system | Physics | 2 | Expired |
| US6900949B2 | Optical system of optical pick-up | Physics | 2 | Expired |
| US7843792B2 | Optical information recording /reproducing device and objective lens for the same | Physics | 1 | Active |
| US8279738B2 | Objective lens and optical information recording/reproducing device having the same | Physics | 1 | Active |
| US7023596B2 | Scanning optical system | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.