Inventor
TSUCHIYA KEIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
5 patentsUS4699847AOct 13, 1987
Magnetic recording medium
TDK CORP19 citations82
US4575475AMar 11, 1986
Magnetic recording medium
TDK CORP22 citations82
US4816341AMar 28, 1989
Magnetic recording medium
TDK CORP10 citations74
US4745031AMay 17, 1988
Magnetic recording medium
TDK CORP9 citations74
US4741977AMay 3, 1988
Magnetic sheet
TDK CORP9 citations73