Inventor · disambiguated record
Haruhito Shimizu
Also filed as: SHIMIZU HARUHITO
9 granted patents·263 citations·filing 1986–1997
90Inventor score
Files withNEC CORP9
Top patents by PatentIndex Score
9 records- 0182US4752120APolarization controlling device comprising a beam splitter for controllably bifurcating an input polarized beam to two polarization controlling elementsNEC CORP·Filed 1986·Granted Jun 21, 1988·56 cites·15 claims
- 0279US5603570AConstant-temperature control using surroundings temperature of a deviceNEC CORP·Filed 1994·Granted Feb 18, 1997·53 cites·15 claims
- 0369US5706302ATemperature control type semiconductor laser deviceNEC CORP·Filed 1996·Granted Jan 6, 1998·33 cites·16 claims
- 0469US4898441APolarization controllerNEC CORP·Filed 1988·Granted Feb 6, 1990·29 cites·3 claims
- 0567US5307197AOptical circuit for a polarization diversity receiverNEC CORP·Filed 1992·Granted Apr 26, 1994·30 cites·10 claims
- 0663US5004312AMethod for controlling a polarization of lightNEC CORP·Filed 1990·Granted Apr 2, 1991·29 cites·3 claims
- 0755US5960142APeltier cooler and semiconductor laser module using Peltier coolerNEC CORP·Filed 1997·Granted Sep 28, 1999·19 cites·2 claims
- 0844US5684632AVariable wavelength optical filterNEC CORP·Filed 1994·Granted Nov 4, 1997·11 cites·27 claims
- 0931US5007693AMethod for controlling polarizations of signal lights in an optical frequency division multiplex coherent communication systemNEC CORP·Filed 1990·Granted Apr 16, 1991·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →