Inventor
KAWANA KAZUSHIGE
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAWANA KAZUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
6 patentsUS6246646B1Jun 12, 2001
Focus control apparatus for multilayer optical recording medium
PIONEER ELECTRONIC CORP46 citations92
US6151280ANov 21, 2000
Focus jump control apparatus of a player for multilayer recording disc
PIONEER ELECTRONIC CORP29 citations92
US6101157AAug 8, 2000
Apparatus and method for focus control of read light irradiated on a recording surface
PIONEER ELECTRONIC CORP32 citations92
US5886963AMar 23, 1999
Gain control device for servo control
PIONEER ELECTRONIC CORP20 citations91
US6091680AJul 18, 2000
Focus control apparatus
PIONEER ELECTRONIC CORP15 citations73
US5761164AJun 2, 1998
Gain control device for servo control
PIONEER ELECTRONIC CORP13 citations72