Inventor · disambiguated record
Kei Nishioka
Also filed as: NISHIOKA KEI
20 granted patents·2 pending applications·185 citations·filing 1991–2023
94Inventor score
Top patents by PatentIndex Score
22 records- 0186USD926031SPacking boxHISAMITSU PHARMACEUTICAL CO·Filed 2020·Granted Jul 27, 2021·11 cites·1 claims
- 0286US5450036APower amplifier circuit for audio signal and audio device using the sameROHM CO LTD·Filed 1994·Granted Sep 12, 1995·44 cites·8 claims
- 0377US5479134APower amplifier circuit for audio signal and audio device using the sameROHM CO LTD·Filed 1994·Granted Dec 26, 1995·29 cites·17 claims
- 0475US5483197APower amplifier circuit for audio signal and audio device using the sameROHM CO LTD·Filed 1994·Granted Jan 9, 1996·28 cites·19 claims
- 0567US5508658APower amplifier circuit for audio signal and audio device using the sameROHM CO LTD·Filed 1995·Granted Apr 16, 1996·27 cites·13 claims
- 0657USD1066041SPacking containerHISAMITSU PHARMACEUTICAL CO·Filed 2023·Granted Mar 11, 2025·1 cites·1 claims
- 0757USD1062470SPacking containerHISAMITSU PHARMACEUTICAL CO·Filed 2023·Granted Feb 18, 2025·1 cites·1 claims
- 0854US2024355562A1Dc circuit breakerNEXFI TECH INC·Filed 2023·Application pending·0 cites
- 0954US2025174514A1Power semiconductor switching moduleNEXFI TECH INC·Filed 2023·Application pending·0 cites
- 1052US5371476AAmplifying circuitROHM CO LTD·Filed 1992·Granted Dec 6, 1994·11 cites·4 claims
- 1151US5220613AAudio amplifier circuitROHM CO LTD·Filed 1991·Granted Jun 15, 1993·12 cites·12 claims
- 1250US7183655B2Packaged semiconductor deviceROHM CO LTD·Filed 2003·Granted Feb 27, 2007·4 cites·6 claims
- 1346USD999166SPower transformerFUKUSHIMA SIC APPLIED ENG INC·Filed 2021·Granted Sep 19, 2023·1 cites·1 claims
- 1444US12022604B2Power substrate and high-voltage module equipped with sameNEXFI TECH INC·Filed 2020·Granted Jun 25, 2024·0 cites·4 claims
- 1543US5570427AMuting control circuitROHM CO LTD·Filed 1994·Granted Oct 29, 1996·8 cites·4 claims
- 1642US6853869B1Method and apparatus for generating surround-sound dataROHM CO LTD·Filed 2000·Granted Feb 8, 2005·0 cites·5 claims
- 1741US6556036B2Semiconductor integrated circuit deviceROHM CO LTD·Filed 2001·Granted Apr 29, 2003·1 cites·7 claims
- 1840US5424684APower amplifier circuit for audio signal and audio device using the sameROHM CO LTD·Filed 1994·Granted Jun 13, 1995·6 cites·10 claims
- 1939USD1076675SPacking containerHISAMITSU PHARMACEUTICAL CO·Filed 2023·Granted May 27, 2025·0 cites·1 claims
- 2035USD963574SPower supplyFUKUSHIMA SIC APPLIED ENG INC·Filed 2020·Granted Sep 13, 2022·0 cites·1 claims
- 2129USD981958SCoil for power transformerFUKUSHIMA SIC APPLIED ENG INC·Filed 2021·Granted Mar 28, 2023·0 cites·1 claims
- 2229US5367412ARecording/reproducing circuit and recording/reproducing apparatus having the same circuitROHM CO LTD·Filed 1993·Granted Nov 22, 1994·1 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →