Inventor
MIYAKAWA TSUTOMU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MIYAKAWA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
9 patentsUS4794580ADec 27, 1988
Pickup system in optical information recording and reproducing apparatus with damped lead wires
PIONEER ELECTRONIC CORP29 citations92
US5159585AOct 27, 1992
Multi-disk player system incorporating disk search and disk selection functions
PIONEER ELECTRONIC CORP18 citations81
US4969138ANov 6, 1990
Multi-disk player system
PIONEER ELECTRONIC CORP22 citations81
US4788673ANov 29, 1988
Multi-disk player system
PIONEER ELECTRONIC CORP17 citations81
US4730291AMar 8, 1988
Multi-disk player system
PIONEER ELECTRONIC CORP22 citations81
US4926406AMay 15, 1990
Disk player
PIONEER ELECTRONIC CORP10 citations73
US4811319AMar 7, 1989
Multi-disk player system
PIONEER ELECTRONIC CORP11 citations73
US4809252AFeb 28, 1989
Multi-disk player system
PIONEER ELECTRONIC CORP13 citations73
US4754448AJun 28, 1988
Disk player having a clamper aligned with a turntable
PIONEER ELECTRONIC CORP3 citations58