Inventor
YAMAKAWA YUZO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKAWA YUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
3 patentsUS6848115B2Jan 25, 2005
Optical recording medium using scattering bodies to enhance modulation
PIONEER CORP39 citations91
US6839191B2Jan 4, 2005
Optical near-field generating element and optical apparatus including the same
PIONEER CORP28 citations91
US6970307B2Nov 29, 2005
Optical near-field generating element and optical apparatus including the same
PIONEER CORP8 citations72