Inventor
UMEDA KEISUKE
JP6 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS5751676AMay 12, 1998
Optical disk recording and reproducing method and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations90
US5986988ANov 16, 1999
Optical disk recording method employing a plurality of recording areas and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations79
US7099256B2Aug 29, 2006
Bi-phase mark reproduction apparatus and optical disk drive device with the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
USRE38704EFeb 15, 2005
Optical disk recording method employing a plurality of recording areas and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations49