Hijiri Nimura
7Patents
5h-index
10Co-inventors
56Inventor score
Filing activity: Oct 5, 1992 → Oct 17, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5933552A | Optical filter, manufacturing method thereof and optical amplifier equipped with said optical filter | Electricity | 25 | Expired |
| US5329348A | Method of identifying a particular optical cable out of a number of similar optical cables | Physics | 23 | Expired |
| US6665113B2 | Wavelength converter and wavelength division multiplexing transmission method using same | Electricity | 22 | Expired |
| US6198570A | Optical filter, manufacturing method thereof, and optical amplifier equipped with said optical filter | Electricity | 9 | Expired |
| US5808768A | Optical telecommunications system | Electricity | 8 | Expired |
| US7061664B2 | Wavelength converter and wavelength division multiplexing transmission method using the same | Electricity | 4 | Expired |
| US5576871A | Method for optical communications | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.