Masaki Funabashi
31Patents
6h-index
33Co-inventors
69Inventor score
Filing activity: Mar 29, 2000 → Nov 1, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6580740B2 | Semiconductor laser device having selective absorption qualities | Electricity | 20 | Expired |
| US8149891B2 | Semiconductor device and optical module | Electricity | 17 | Active |
| US6782028B2 | Semiconductor laser device for use in a semiconductor laser module and an optical amplifier | Electricity | 11 | Expired |
| US7180930B2 | DFB semiconductor laser device having ununiform arrangement of a diffraction grating | Electricity | 11 | Expired |
| US6743648B2 | Method for fabricating a set of distributed feedback semiconductor lasers | Electricity | 10 | Expired |
| US7561765B2 | Optical integrated circuit and optical integrated circuit module | Physics | 8 | Active |
| US6765935B2 | Semiconductor laser module, manufacturing method thereof and optical amplifier | Electricity | 6 | Expired |
| US8380032B2 | Semiconductor optical amplifier module | Electricity | 6 | Active |
| US8837869B2 | SOA-PLC hybrid integrated polarization diversity circuit and method for manufacturing the same | Electricity | 6 | Active |
| US6472691B2 | Distributed feedback semiconductor laser device | Electricity | 6 | Expired |
| US10511150B2 | Wavelength-variable laser | Electricity | 5 | Active |
| US6614823B2 | Semiconductor laser device having a diffraction grating on a light reflection side | Electricity | 5 | Expired |
| US6643315B2 | Distributed feedback semiconductor laser device and multi-wavelength laser array | Electricity | 4 | Expired |
| US7453100B2 | DFB laser assembly and laser module | Electricity | 3 | Expired |
| US6674783B1 | Distributed feedback type semiconductor laser device and method of manufacturing the same | Electricity | 3 | Expired |
| US6704342B1 | Gain-coupled distributed-feedback semiconductor laser device | Electricity | 3 | Expired |
| US6493369B2 | Gain-coupling distributed feedback type semiconductor laser device | Electricity | 3 | Expired |
| US6680960B2 | Semiconductor laser device having a diffraction grating on a light emission side | Electricity | 2 | Expired |
| US6947463B2 | Semiconductor laser device for use in a laser module | Electricity | 2 | Expired |
| US6728288B2 | DFB semiconductor laser device | Electricity | 2 | Expired |
| US8547631B2 | Semiconductor optical amplifier | Electricity | 1 | Active |
| US6661828B2 | Semiconductor laser device | Electricity | 1 | Expired |
| US8532155B2 | Optical interconnection system | Electricity | 1 | Active |
| US6829277B2 | Distributed feedback semiconductor laser device and laser module | Electricity | 1 | Expired |
| US6782022B2 | Semiconductor laser device having improved output power characteristics | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.