OPTOPOWER CO., LTD.
30Patents
0Active
30Granted
34Portfolio score
Filing activity: Apr 29, 1993 → May 3, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5987043A | Laser diode arrays with offset components | Electricity | 74 | Expired |
| US5305344A | Laser diode array | Electricity | 66 | Expired |
| US5550852A | Laser package with reversed laser diode | Electricity | 33 | Expired |
| US5438580A | Laser package and method of assembly | Electricity | 26 | Expired |
| US5715264A | Laser diode array | Electricity | 24 | Expired |
| US5745519A | Laser diode system | Electricity | 21 | Expired |
| US6370291B1 | Printed circuit board waveguide | Electricity | 20 | Expired |
| US5745514A | Laser diode structure with integrated heat sink | Electricity | 20 | Expired |
| US6493148B1 | Increasing laser beam power density | Physics | 20 | Expired |
| US5696784A | Reduced mode laser and method of fabrication | Electricity | 14 | Expired |
| US6516011B1 | Focusing multiple laser beams | Electricity | 13 | Expired |
| US5895589A | Apparatus, including a diode laser array, for removing automobile windshields | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5469456A | Laser device and method of manufacture using non-metalized fiber | Electricity | 9 | Expired |
| US6298077A | GaInAsP/AIGaInP laser diodes with AIGaAs type II carrier blocking layer in the waveguide | Electricity | 8 | Expired |
| US5801403A | Low divergence laser diode | Electricity | 7 | Expired |
| US6272159A | Laser diode package with slotted lead | Performing Operations; Transporting | 7 | Expired |
| US5898721A | InGaAsP/AlGaAs/GaAs hetero structure diode laser containing indium | Electricity | 6 | Expired |
| US5537502A | Laser package with permanently aligned critical components | Electricity | 5 | Expired |
| US6195376A | Semiconductor laser array stack package & method of fabrication | Electricity | 4 | Expired |
| US6351481B1 | Diode laser with screening window and method of fabrication | Electricity | 4 | Expired |
| US6028878A | Laser diode array with built-in current and voltage surge protection | Electricity | 3 | Expired |
| US5994230A | Method for cold cleaving of laser wafers into bars | Performing Operations; Transporting | 2 | Expired |
| US6178189A | Multi-layer semiconductor devices with stress-relief profiles | Electricity | 2 | Expired |
| US6177203A | Simultaneous diffusion bonding of an array of like parts | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6298078A | Laser diodes with composite material systems which decouple refractive index and band gap profiles | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.