Tetsufumi Tsuzaki
14Patents
4h-index
23Co-inventors
60Inventor score
Filing activity: Sep 22, 2000 → Jun 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6952309B1 | Optical amplifier and optical amplification method | Electricity | 7 | Expired |
| US6819477B2 | Raman amplifier module and optical transmission system using the same | Electricity | 7 | Expired |
| US10523317B2 | Measurement system and measurement method | Electricity | 4 | Active |
| US6775055B2 | Raman amplifier | Electricity | 4 | Expired |
| US9583911B2 | Optical amplifier | Electricity | 1 | Active |
| US6806999B2 | Raman amplification pumping module, Raman amplifier, and optical communication system | Electricity | 1 | Expired |
| US6813065B2 | Raman amplifier and optical communication system | Electricity | 1 | Expired |
| US12111224B2 | Optical transmission path inspecting system, and optical transmission path inspecting device | Physics | 0 | Active |
| US7046428B2 | Raman amplifier | Electricity | 0 | Expired |
| US7307782B2 | Raman amplifier and optical communication system including the same | Electricity | 0 | Expired |
| US11965801B2 | Measurement system | Electricity | 0 | Active |
| US6958857B2 | Optical fiber component for Raman amplification, Raman amplifier and optical communications system | Electricity | 0 | Expired |
| US7110648B2 | Analog optical transmission system | Electricity | 0 | Expired |
| US6819829B2 | Optical communication system | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.