Inventor · disambiguated record
Yukio Tsuda
Also filed as: TSUDA YUKIO
20 granted patents·203 citations·filing 1976–2008
95Inventor score
Top patents by PatentIndex Score
20 records- 0177US5548374AImage forming apparatus using a process unitTOSHIBA KK·Filed 1995·Granted Aug 20, 1996·28 cites·20 claims
- 0270US6697160B2Light wavelength measuring apparatus and method for measuring wavelength of subject light with high speed by using two-beam interferometerANRITSU CORP·Filed 2001·Granted Feb 24, 2004·14 cites·12 claims
- 0370US4968918AApparatus for plasma treatmentKANEBO LTD·Filed 1988·Granted Nov 6, 1990·21 cites·28 claims
- 0465US6212003B1Optical amplifier evaluating method and optical amplifier evaluating apparatusANRITSU CORP·Filed 1998·Granted Apr 3, 2001·27 cites·12 claims
- 0563US7936162B2Measured-signal repetition frequency detection method, and sampling apparatus and waveform observation system using the methodANRITSU CORP·Filed 2008·Granted May 3, 2011·4 cites·22 claims
- 0659US8195416B2Fundamental wave beat component detecting method and measuring target signal sampling apparatus and waveform observation system using the sameTSUDA YUKIO·Filed 2008·Granted Jun 5, 2012·4 cites·12 claims
- 0756US4950336AMethod of producing non-oriented magnetic steel heavy plate having high magnetic flux densityNIPPON STEEL CORP·Filed 1989·Granted Aug 21, 1990·9 cites·11 claims
- 0853US4942406ALaser printer with clock polygon control for inches and millimetersTOSHIBA KK·Filed 1988·Granted Jul 17, 1990·12 cites·4 claims
- 0951US4521744ATuning apparatus of phase-locked loop typeSONY CORP·Filed 1982·Granted Jun 4, 1985·10 cites·4 claims
- 1051US4392253APhase locked loop circuitSONY CORP·Filed 1980·Granted Jul 5, 1983·10 cites·12 claims
- 1145US4988393AMethod for producing high-strength steel having improved weldabilityNIPPON STEEL CORP·Filed 1989·Granted Jan 29, 1991·5 cites·11 claims
- 1245US4041399ASemiconductor varactor device and electronic tuner using sameSONY CORP·Filed 1976·Granted Aug 9, 1977·10 cites·15 claims
- 1344US5091932ACircuit switching systemTOSHIBA KK·Filed 1990·Granted Feb 25, 1992·9 cites·6 claims
- 1443US4731862ABinarizing system of picture image signalsTOSHIBA KK·Filed 1985·Granted Mar 15, 1988·9 cites·8 claims
- 1542US5483274AThermal head and thermal transfer apparatusTOSHIBA KK·Filed 1993·Granted Jan 9, 1996·6 cites·4 claims
- 1641US6236452B1Optical amplifier evaluation method and optical amplifier evaluation deviceANRITSU CORP·Filed 1998·Granted May 22, 2001·12 cites·40 claims
- 1740US4160964AHigh frequency wide band resonant circuitSONY CORP·Filed 1977·Granted Jul 10, 1979·4 cites·1 claims
- 1835US4667249ABinarizing system of picture image signalsTOSHIBA KK·Filed 1985·Granted May 19, 1987·5 cites·8 claims
- 1932US5252996AElectrophotographic recording apparatus and method capable of recording both characters and solid black picture imagesTOSHIBA KK·Filed 1991·Granted Oct 12, 1993·2 cites·12 claims
- 2030US5384591AElectrophotographic recording deviceTOSHIBA KK·Filed 1992·Granted Jan 24, 1995·2 cites·11 claims
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