Mikitaka Itoh
13Patents
5h-index
30Co-inventors
62Inventor score
Filing activity: Sep 3, 1999 → Jan 26, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6304706A | Planar lightwave circuit | Physics | 22 | Expired |
| US9020307B2 | Optical waveguide device and module | Physics | 14 | Active |
| US8369666B2 | Optical wavelength multiplexing/ de-multiplexing circuit | Physics | 13 | Active |
| US6580862B2 | Optical waveguide circuit | Physics | 11 | Expired |
| US6937797B2 | Planar lightwave circuit and optical circuit | Physics | 11 | Expired |
| US8867873B2 | Arrayed waveguide grating | Physics | 4 | Active |
| US6625370B2 | Optical waveguide and fabricating method thereof, and optical waveguide circuit | Physics | 4 | Expired |
| US10126502B2 | Optical waveguide device and module | Physics | 3 | Active |
| US9684129B2 | Optical waveguide device and module | Physics | 2 | Active |
| US6775454B2 | Silica-based optical waveguide circuit and fabrication method thereof | Physics | 2 | Expired |
| US10050717B2 | Multi-stage interferometer circuit with waveform shaping function | Physics | 1 | Active |
| US10333280B2 | Semiconductor laser device | Electricity | 0 | Active |
| US9116305B2 | Arrayed waveguide grating, optical module provided with said arrayed waveguide grating, and optical communications system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.