Manabu Matsuda
30Patents
7h-index
36Co-inventors
69Inventor score
Filing activity: Nov 8, 1991 → Mar 17, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5170402A | Tunable laser diode having a distributed feedback structure | Electricity | 46 | Expired |
| US5373520A | Surface emitting laser and method of manufacturing the same | Electricity | 42 | Expired |
| US5477363A | Optical switching device | Physics | 37 | Expired |
| US6437361B1 | Semiconductor device and method of using the same | Physics | 33 | Expired |
| US5533041A | Optical transmission and reception device | Electricity | 17 | Expired |
| US7079925B2 | Agent apparatus | Physics | 16 | Expired |
| US5358898A | Method of making a tunable laser diode having a distributed feedback structure | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6088377A | Optical semiconductor device having a diffraction grating and fabrication process thereof | Electricity | 6 | Expired |
| US7496127B2 | Optical device coupling light propagating in optical waveguide with diffraction grating | Electricity | 4 | Expired |
| US8705583B2 | Semiconductor laser | Electricity | 3 | Active |
| US8906721B2 | Semiconductor light emitting device and method for manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US6376338B2 | Manufacturing method of a semiconductor device having a diffraction grating | Electricity | 3 | Expired |
| US5981307A | Fabrication process of optical semiconductor device having a diffraction grating | Electricity | 3 | Expired |
| US7581809B2 | Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head | Performing Operations; Transporting | 2 | Active |
| US8319229B2 | Optical semiconductor device and method for manufacturing the same | Electricity | 2 | Active |
| US8494320B2 | Optical element and method for manufacturing the same | Electricity | 2 | Active |
| US9722397B2 | Tunable laser and tunable laser module | Electricity | 2 | Active |
| US7882920B2 | Vehicle braking force controller | Performing Operations; Transporting | 2 | Active |
| US7574083B2 | Optical device having diffraction gratings coupling guided wave, and its manufacture method | Electricity | 1 | Active |
| US8210641B2 | Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head | Performing Operations; Transporting | 1 | Active |
| US7852890B2 | Semiconductor laser and manufacturing method thereof | Electricity | 1 | Expired |
| US7899283B2 | Optical device and method for manufacturing the same | Electricity | 1 | Active |
| US8109584B2 | Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head | Performing Operations; Transporting | 0 | Active |
| US9728938B2 | Optical semiconductor device, optical semiconductor device array, and optical transmitter module | Electricity | 0 | Active |
| US9634465B2 | Optical device and optical module | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.