Inventor · disambiguated record
Kohji Ishida
Also filed as: ISHIDA KOHJI
16 granted patents·1 pending application·129 citations·filing 1979–2013
92Inventor score
Top patents by PatentIndex Score
17 records- 0175US5067157ANoise reduction apparatus in an FM stereo tunerPIONEER ELECTRONIC CORP·Filed 1989·Granted Nov 19, 1991·41 cites·9 claims
- 0259US5253299ANoise reduction apparatus in an FM stereo tunerPIONEER ELECTRONIC CORP·Filed 1992·Granted Oct 12, 1993·28 cites·9 claims
- 0348US4502148AFM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signalPIONEER ELECTRONIC CORP·Filed 1982·Granted Feb 26, 1985·9 cites·4 claims
- 0445US4315221ASwitching circuitPIONEER ELECTRONIC CORP·Filed 1979·Granted Feb 9, 1982·5 cites·6 claims
- 0544US2015218867A1Door closerRYOBI LTD·Filed 2013·Application pending·0 cites
- 0642US4590615AMultipath distortion reducing circuitPIONEER ELECTRONIC CORP·Filed 1984·Granted May 20, 1986·9 cites·4 claims
- 0741US4399324AMultiplex demodulation circuitPIONEER ELECTRONIC CORP·Filed 1980·Granted Aug 16, 1983·6 cites·7 claims
- 0837US4539697AFM Stereo demodulating circuitPIONEER ELECTRONIC CORP·Filed 1983·Granted Sep 3, 1985·6 cites·4 claims
- 0936US4497063AFM stereo demodulatorPIONEER ELECTRONIC CORP·Filed 1982·Granted Jan 29, 1985·4 cites·9 claims
- 1035US4274057AMPX Stereophonic demodulationPIONEER ELECTRONIC CORP·Filed 1979·Granted Jun 16, 1981·3 cites·13 claims
- 1134US4633496ALow-pass filter circuitPIONEER ELECTRONIC CORP·Filed 1984·Granted Dec 30, 1986·5 cites·4 claims
- 1234US4510452ACircuit having square-law transfer characteristicPIONEER ELECTRONIC CORP·Filed 1982·Granted Apr 9, 1985·3 cites·2 claims
- 1333US4489430AFM Stereo demodulation circuitPIONEER ELECTRONIC CORP·Filed 1982·Granted Dec 18, 1984·3 cites·5 claims
- 1433US4362906AFM ReceiverPIONEER ELECTRONIC CORP·Filed 1980·Granted Dec 7, 1982·3 cites·9 claims
- 1532US4523329AFM receiverPIONEER ELECTRONIC CORP·Filed 1983·Granted Jun 11, 1985·2 cites·8 claims
- 1631US4280101AStereophonic signal demodulation circuitPIONEER ELECTRONIC CORP·Filed 1979·Granted Jul 21, 1981·2 cites·14 claims
- 1729US4278944AChopper type switching circuitPIONEER ELECTRONIC CORP·Filed 1979·Granted Jul 14, 1981·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →