Inventor · disambiguated record
Toshikazu Yoshimi
Also filed as: YOSHIMI TOSHIKAZU
16 granted patents·1 pending application·719 citations·filing 1975–2003
95Inventor score
Top patents by PatentIndex Score
17 records- 0193US4170742APiezoelectric transducer with multiple electrode areasPIONEER ELECTRONIC CORP·Filed 1977·Granted Oct 9, 1979·87 cites·9 claims
- 0292US4403120AEarphonePIONEER ELECTRONIC CORP·Filed 1981·Granted Sep 6, 1983·99 cites·10 claims
- 0391US4980914ASound field correction systemPIONEER ELECTRONIC CORP·Filed 1989·Granted Dec 25, 1990·68 cites·9 claims
- 0491US4739513AMethod and apparatus for measuring and correcting acoustic characteristic in sound fieldPIONEER ELECTRONIC CORP·Filed 1985·Granted Apr 19, 1988·83 cites·3 claims
- 0589US4045695APiezoelectric electro-acoustic transducerPIONEER ELECTRONIC CORP·Filed 1975·Granted Aug 30, 1977·71 cites·2 claims
- 0687US4622691AMobile sound field correcting devicePIONEER ELECTRONIC CORP·Filed 1985·Granted Nov 11, 1986·57 cites·11 claims
- 0786US5396563AEarphonePIONEER ELECTRONIC CORP·Filed 1994·Granted Mar 7, 1995·90 cites·23 claims
- 0884US4648117AMobile sound field correcting devicePIONEER ELECTRONIC CORP·Filed 1985·Granted Mar 3, 1987·47 cites·13 claims
- 0974US4327331AAudio amplifier devicePIONEER ELECTRONIC CORP·Filed 1979·Granted Apr 27, 1982·15 cites·6 claims
- 1059US4868878ASound field correction systemPIONEER ELECTRONIC CORP·Filed 1987·Granted Sep 19, 1989·28 cites·2 claims
- 1151US3973150ARectangular, oriented polymer, piezoelectric diaphragmPIONEER ELECTRONIC CORP·Filed 1975·Granted Aug 3, 1976·17 cites·8 claims
- 1250US4928071ALimiter circuitPIONEER ELECTRONIC CORP·Filed 1988·Granted May 22, 1990·8 cites·7 claims
- 1348US5511132ACommunication device having air-borne and solid-borne transmitting and receiving devicesPIONEER ELECTRONIC CORP·Filed 1994·Granted Apr 23, 1996·20 cites·2 claims
- 1448US4914707ABalanced vehicular speaker systemPIONEER ELECTRONIC CORP·Filed 1988·Granted Apr 3, 1990·21 cites·7 claims
- 1542US2004134711A1Vibration propagation suppressing structurePIONEER CORP·Filed 2003·Application pending·0 cites
- 1636US3976897APiezoelectric electro-acoustic diaphragm transducer with composite resilient backingPIONEER ELECTRONIC CORP·Filed 1975·Granted Aug 24, 1976·6 cites·16 claims
- 1733US5043676AAutomatic level control circuitPIONEER ELECTRONIC CORP·Filed 1987·Granted Aug 27, 1991·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →