Masatoshi Saruwatari
13Patents
12h-index
12Co-inventors
67Inventor score
Filing activity: Apr 10, 1990 → Jul 15, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5999548A | White optical pulse source and applications | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5083874A | Optical repeater and optical network using the same | Electricity | 73 | Expired |
| US5267256A | Wavelength division multiplex type mode - lock laser device | Electricity | 67 | Expired |
| US5923683A | Coherent white light source and optical devices therewith | Electricity | 39 | Expired |
| US5646774A | Mode-locked laser stabilizing method and apparatus | Electricity | 38 | Expired |
| US6023360A | Multiple-channel all-optical TDM-WDM converter and multiple-channel all-optical TDM demultiplexer | Electricity | 37 | Expired |
| US5357359A | All-optical polarization independent optical time division multiplexer and demultiplexer with birefringence compensation | Electricity | 37 | Expired |
| US6204944A | All-optical time-division demultiplexing circuit and all-optical TDM-WDM conversion circuit | Electricity | 31 | Expired |
| US5604618A | Optical parametric circuit and optical circuit using the same | Physics | 28 | Expired |
| US5724126A | Method for measuring distribution of zero dispersion wavelengths in an optical fiber and apparatus therefor | Physics | 21 | Expired |
| US5574588A | Phase lock loop circuit using optical correlation detection | Electricity | 16 | Expired |
| US5706113A | Phase lock loop circuit using optical correlation detection | Electricity | 14 | Expired |
| US5590143A | Multiple-frequency-modulation type mode-locked laser device | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.