Inventor
NISHIOKA KEI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NISHIOKA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
12 patentsUS5508658AApr 16, 1996
Power amplifier circuit for audio signal and audio device using the same
ROHM CO LTD27 citations92
US5450036ASep 12, 1995
Power amplifier circuit for audio signal and audio device using the same
ROHM CO LTD44 citations92
US5483197AJan 9, 1996
Power amplifier circuit for audio signal and audio device using the same
ROHM CO LTD28 citations91
US5479134ADec 26, 1995
Power amplifier circuit for audio signal and audio device using the same
ROHM CO LTD29 citations91
US5570427AOct 29, 1996
Muting control circuit
ROHM CO LTD8 citations73
US5371476ADec 6, 1994
Amplifying circuit
ROHM CO LTD11 citations73
US5220613AJun 15, 1993
Audio amplifier circuit
ROHM CO LTD12 citations68
US7183655B2Feb 27, 2007
Packaged semiconductor device
ROHM CO LTD4 citations62
US5424684AJun 13, 1995
Power amplifier circuit for audio signal and audio device using the same
ROHM CO LTD6 citations62
US6853869B1Feb 8, 2005
Method and apparatus for generating surround-sound data
ROHM CO LTD0 citations51
US6556036B2Apr 29, 2003
Semiconductor integrated circuit device
ROHM CO LTD1 citations51
US5367412ANov 22, 1994
Recording/reproducing circuit and recording/reproducing apparatus having the same circuit
ROHM CO LTD1 citations47
HISAMITSU PHARMACEUTICAL CO
4 patentsUSD926031SJul 27, 2021
Packing box
HISAMITSU PHARMACEUTICAL CO11 citations85
USD1066041SMar 11, 2025
Packing container
HISAMITSU PHARMACEUTICAL CO1 citations62
USD1062470SFeb 18, 2025
Packing container
HISAMITSU PHARMACEUTICAL CO1 citations62
USD1076675SMay 27, 2025
Packing container
HISAMITSU PHARMACEUTICAL CO0 citations61