Inventor
KISHIGAMI JUN
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KISHIGAMI JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
14 patentsUS4252211AFeb 24, 1981
Loudspeaker
SONY CORP54 citations96
US4198550AApr 15, 1980
Peripherally reinforced laminated loudspeaker diaphragm
SONY CORP58 citations96
US4122314AOct 24, 1978
Loudspeaker having a laminate diaphragm of three layers
SONY CORP101 citations96
US6175637B1Jan 16, 2001
Acoustic transducer
SONY CORP80 citations95
US6160894ADec 12, 2000
Speaker apparatus and sound reproduction system employing same
SONY CORP21 citations92
US5972159AOct 26, 1999
Optical recording disc recycling method
SONY CORP23 citations92
US5909496AJun 1, 1999
Speaker apparatus
SONY CORP48 citations92
US5862237AJan 19, 1999
Speaker apparatus
SONY CORP19 citations92
US6026690AFeb 22, 2000
Vibration sensor using the capacitance between a substrate and a flexible diaphragm
SONY CORP36 citations90
US5798460AAug 25, 1998
Vibration sensor employing a flexible diaphragm and an electret film
SONY CORP24 citations90
US6035052AMar 7, 2000
Acoustic transducer
SONY CORP17 citations83
US4191863AMar 4, 1980
Support for multi-point magnetic driver loudspeaker
SONY CORP24 citations82
US5827965AOct 27, 1998
Navigation device employing an electret vibration sensor
SONY CORP16 citations79
US7822216B2Oct 26, 2010
Electroacoustic transducer using diaphragm and method for producing diaphragm
SONY CORP2 citations63