Inventor
AKIYAMA TETSUO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
3 patentsUS4677602AJun 30, 1987
Device for controlling recording track jump operations with over-run correction
PIONEER ELECTRONIC CORP106 citations96
US4723235AFeb 2, 1988
System for playing back information recorded on a disk recording medium with an improved discrimination and playback start operation
PIONEER ELECTRONIC CORP29 citations92
US4785251ANov 15, 1988
Digital frequency and phase comparator
PIONEER ELECTRONIC CORP3 citations61