Inventor · disambiguated record
Masatoshi Saruwatari
Also filed as: SARUWATARI MASATOSHI
13 granted patents·775 citations·filing 1990–1998
95Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE13
Top patents by PatentIndex Score
13 records- 0193US5999548AWhite optical pulse source and applicationsNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Dec 7, 1999·113 cites·61 claims
- 0286US5646774AMode-locked laser stabilizing method and apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Jul 8, 1997·65 cites·8 claims
- 0386US5083874AOptical repeater and optical network using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Jan 28, 1992·100 cites·23 claims
- 0481US6204944B1All-optical time-division demultiplexing circuit and all-optical TDM-WDM conversion circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Mar 20, 2001·61 cites·16 claims
- 0581US6023360AMultiple-channel all-optical TDM-WDM converter and multiple-channel all-optical TDM demultiplexerNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Feb 8, 2000·74 cites·10 claims
- 0681US5923683ACoherent white light source and optical devices therewithNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Jul 13, 1999·63 cites·37 claims
- 0781US5267256AWavelength division multiplex type mode - lock laser deviceNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Nov 30, 1993·78 cites·14 claims
- 0880US5357359AAll-optical polarization independent optical time division multiplexer and demultiplexer with birefringence compensationNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Oct 18, 1994·59 cites·20 claims
- 0978US5724126AMethod for measuring distribution of zero dispersion wavelengths in an optical fiber and apparatus thereforNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Mar 3, 1998·40 cites·31 claims
- 1072US5604618AOptical parametric circuit and optical circuit using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Feb 18, 1997·47 cites·26 claims
- 1159US5590143AMultiple-frequency-modulation type mode-locked laser deviceNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Dec 31, 1996·23 cites·11 claims
- 1253US5706113APhase lock loop circuit using optical correlation detectionNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Jan 6, 1998·28 cites·7 claims
- 1349US5574588APhase lock loop circuit using optical correlation detectionNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Nov 12, 1996·24 cites·15 claims
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