Inventor
SUWABE MASATSUGU
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SUWABE MASATSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS6597647B2Jul 22, 2003
Optical recording medium having individual drive control information recorded in the maker recording area
SONY CORP23 citations92
US7952985B2May 31, 2011
Recording medium, its manufacturing method, mother disc for recording medium, and its manufacturing method
SONY CORP7 citations82
US7316836B2Jan 8, 2008
Optical recording medium
SONY CORP9 citations82
US5993616ANov 30, 1999
Method for producing a magneto-optical recording medium
SONY CORP15 citations72
US5987004ANov 16, 1999
Optical disk with reinforcing plate
SONY CORP13 citations72
US6033538AMar 7, 2000
Magneto-optical recording medium production method
SONY CORP4 citations61
US8029976B2Oct 4, 2011
Optical recording medium and optical recording-reproducing method using thereof
SONY CORP2 citations60
US6632546B2Oct 14, 2003
Magneto-optical recording medium
SONY CORP2 citations55
US10373641B2Aug 6, 2019
Optical recording medium
SONY CORP0 citations50