Inventor · disambiguated record
Kazuhito Tajima
Also filed as: TAJIMA KAZUHITO
11 granted patents·224 citations·filing 1988–2001
91Inventor score
Files withNEC CORP11
Top patents by PatentIndex Score
11 records- 0181US4933929AWavelength multiplexed optical transmitter for generating constant-amplitude angle-modulated beams to eliminate phase noise in adjacent transmission channelsNEC CORP·Filed 1988·Granted Jun 12, 1990·53 cites·1 claims
- 0273US5535001ASymmetric Mach-Zehnder all-optical deviceNEC CORP·Filed 1994·Granted Jul 9, 1996·39 cites·12 claims
- 0366US5710845AAll-optical switchNEC CORP·Filed 1995·Granted Jan 20, 1998·36 cites·18 claims
- 0463US6049642ANonlinear optical switchNEC CORP·Filed 1997·Granted Apr 11, 2000·25 cites·19 claims
- 0561US5191630ANonlinear optical device for controlling a signal light by a control lightNEC CORP·Filed 1991·Granted Mar 2, 1993·24 cites·7 claims
- 0652US6208455B1Wavelength converterNEC CORP·Filed 1998·Granted Mar 27, 2001·20 cites·7 claims
- 0747US6498675B2Wavelength converterNEC CORP·Filed 2001·Granted Dec 24, 2002·2 cites·2 claims
- 0840US5557700ASemiconductor optical device utilizing nonlinear optical effectNEC CORP·Filed 1995·Granted Sep 17, 1996·10 cites·17 claims
- 0939US6282015B1Wavelength converterNEC CORP·Filed 1998·Granted Aug 28, 2001·8 cites·6 claims
- 1035US6295402B1Non-linear optical switchNEC CORP·Filed 1999·Granted Sep 25, 2001·5 cites·21 claims
- 1131US6498885B1Semiconductor nonlinear waveguide and optical switchNEC CORP·Filed 1999·Granted Dec 24, 2002·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →