Inventor
SAI KOUKI
JP3 patents
⚠️ This page may combine multiple inventors who share the name “SAI KOUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
2 patentsUS5790493AAug 4, 1998
Optical record medium judging method and apparatus and focus servo controlling method and apparatus
PIONEER ELECTRONIC CORP35 citations90
US5978337ANov 2, 1999
Optical record medium judging method and apparatus and focus servo controlling method and apparatus
PIONEER ELECTRONIC CORP3 citations60