Inventor · disambiguated record
Kenji Kawakami
Also filed as: KAWAKAMI KENJI
36 granted patents·8 pending applications·342 citations·filing 1976–2014
97Inventor score
Top patents by PatentIndex Score
44 records- 0191US4572461AMagnetic tape cassetteSONY CORP·Filed 1984·Granted Feb 25, 1986·42 cites·3 claims
- 0287US5787126ADetector and receiving and transmitting apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jul 28, 1998·84 cites·25 claims
- 0374US5141811AElastic synthetic polymer filament with multi-lobated cross-sectional profileTEIJIN LTD·Filed 1990·Granted Aug 25, 1992·21 cites·4 claims
- 0466US4881137AMagnetic tape cassette with tape protective closure and lock mechanismSONY CORP·Filed 1988·Granted Nov 14, 1989·11 cites·29 claims
- 0565US4625253AMagnetic tape cassetteSONY CORP·Filed 1984·Granted Nov 25, 1986·13 cites·12 claims
- 0664US8062911B2Method of manufacturing a semiconductor integrated circuit device and a method of manufacturing a thin film probe sheet for using the sameHASEBE AKIO·Filed 2007·Granted Nov 22, 2011·2 cites·9 claims
- 0764US6362777B1Pulse-doppler radar apparatusMITSUBISHI DENSKI KABUSHIKI KA·Filed 2000·Granted Mar 26, 2002·26 cites·10 claims
- 0863US8229387B2Even harmonic mixerKAWAKAMI KENJI·Filed 2007·Granted Jul 24, 2012·4 cites·8 claims
- 0961US8206997B2Method of manufacturing a semiconductor integrated circuit device and a method of manufacturing a thin film probe sheet for using the sameHASEBE AKIO·Filed 2010·Granted Jun 26, 2012·1 cites·14 claims
- 1060US8308887B2Via hole forming method using electrophotographic printing methodISEBO KAZUHIRO·Filed 2011·Granted Nov 13, 2012·1 cites·8 claims
- 1160US5404705AApparatus for heat treating a synthetic yarn during false-twist texturingTEIJIN SEIKI CO LTD·Filed 1992·Granted Apr 11, 1995·11 cites·13 claims
- 1260US5332982ALadder-type electric filter deviceNGK SPARK PLUG CO·Filed 1992·Granted Jul 26, 1994·15 cites·5 claims
- 1360US4644433AMagnetic tape cassette having integrated optical elementsSONY CORP·Filed 1984·Granted Feb 17, 1987·10 cites·2 claims
- 1459US7675383B2Switch circuitMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 9, 2010·3 cites·5 claims
- 1557US8018290B2Oscillator, transmitter-receiver and frequency synthesizerMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Sep 13, 2011·3 cites·24 claims
- 1657US8012287B2Via hole forming method using electrophotographic printing methodMURATA MANUFACTURING CO·Filed 2009·Granted Sep 6, 2011·0 cites·8 claims
- 1756US8548416B2Semiconductor chip and radio frequency circuitSUZUKI TAKUYA·Filed 2007·Granted Oct 1, 2013·1 cites·3 claims
- 1854US7018857B2Method of manufacturing a semiconductor device including defect inspection using a semiconductor testing probeRENESAS TECH CORP·Filed 2003·Granted Mar 28, 2006·6 cites·17 claims
- 1954US5218156AApparatus for combining stored waveforms to synthesize musical tonesYAMAHA CORP·Filed 1991·Granted Jun 8, 1993·16 cites·18 claims
- 2051US4161678AServo-systemYOKOGAWA ELECTRIC WORKS LTD·Filed 1976·Granted Jul 17, 1979·11 cites·7 claims
- 2150US7675376B2Voltage-controlled oscillatorMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 9, 2010·1 cites·36 claims
- 2250US7327991B2Pulse modulation circuitMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Feb 5, 2008·2 cites·16 claims
- 2350US4961120ARecording and/or reproducing apparatus with rotary head for magnetic tape cassetteSONY CORP·Filed 1988·Granted Oct 2, 1990·9 cites·30 claims
- 2449US5057802ALadder-type electric filter apparatus and housing thereforNGK SPARK PLUG CO·Filed 1990·Granted Oct 15, 1991·11 cites·4 claims
- 2548US4694360ATape cassette with concave engagement portion and player with hook engageable therewithSONY CORP·Filed 1985·Granted Sep 15, 1987·6 cites·5 claims
- 2648US2006094162A1Thin film probe sheet and semiconductor chip inspection systemYABUSHITA AKIRA·Filed 2005·Application pending·0 cites
- 2746USRE34927EMagnetic tape cassette with tape protective closure and lock mechanismSONY CORP·Filed 1994·Granted May 2, 1995·5 cites·30 claims
- 2846US4843510AMagnetic tape cassette with tape protective closure and lock mechanismSONY CORP·Filed 1985·Granted Jun 27, 1989·5 cites·24 claims
- 2946US2011014727A1Thin film probe sheet and semiconductor chip inspection systemYABUSHITA AKIRA·Filed 2010·Application pending·0 cites
- 3045US4816953ATape cassette with groove engageable with loading hookSONY CORP·Filed 1988·Granted Mar 28, 1989·5 cites·3 claims
- 3142US8798220B2Signal source synchronization circuitMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Aug 5, 2014·0 cites·18 claims
- 3242US2010301884A1Thin-film probe sheet and method of manufacturing the same, probe card, and semiconductor chip inspection apparatusTAKANE ETSUKO·Filed 2010·Application pending·0 cites
- 3341US2006043593A1Connecting apparatus, semiconductor chip inspecting apparatus, and method for manufacturing semiconductor deviceMORI TERUTAKA·Filed 2005·Application pending·0 cites
- 3441US2016112223A1Signal processing deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
- 3539US5835317ACleaning device for magnetic tape recording and/or reproducing apparatusSONY CORP·Filed 1996·Granted Nov 10, 1998·4 cites·8 claims
- 3638US8907704B2Frequency synthesizerMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Dec 9, 2014·0 cites·4 claims
- 3736US5528893AMethod for heat treating a synthetic yarn during false-twist texturing and a method for rethreading a yarnTEIJIN SEIKI CO LTD·Filed 1995·Granted Jun 25, 1996·3 cites·9 claims
- 3835US4074274AMultipoint recorderYOKOGAWA ELECTRIC WORKS LTD·Filed 1976·Granted Feb 14, 1978·4 cites·11 claims
- 3935US2011300823A1Image rejection mixer and wireless communication deviceKAWAKAMI KENJI·Filed 2007·Application pending·0 cites
- 4034US5717366ALadder type piezoelectric filter including conductive rubber platesNGK SPARK PLUG CO·Filed 1997·Granted Feb 10, 1998·4 cites·7 claims
- 4134US2003053402A1Disk clamper, recording and/or playback apparatus and method for loading inserted recording mediumSONY CORP·Filed 2002·Application pending·0 cites
- 4233US2007072573A1Pulse modulation circuitryKAWAKAMI KENJI·Filed 2003·Application pending·0 cites
- 4332US9385900B2Signal transmission systemTAJIMA KENICHI·Filed 2013·Granted Jul 5, 2016·0 cites·9 claims
- 4432US4740849AGuide arrangements for maintaining magnetic tape in proper position relative to a headSONY CORP·Filed 1986·Granted Apr 26, 1988·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →