Inventor
SHIBATA FUJIO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SHIBATA FUJIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK ELECTRONICS CO LTD
9 patentsUS3977985AAug 31, 1976
Magnetic recording medium comprising cobalt or cobalt alloy coated particles of spicular magnetite
TDK ELECTRONICS CO LTD14 citations73
US3958068AMay 18, 1976
Process for the production of powdered magnetic material
TDK ELECTRONICS CO LTD13 citations72
US4429010AJan 31, 1984
High density magnetic recording medium
TDK ELECTRONICS CO LTD4 citations61
US4404260ASep 13, 1983
Magnetic recording medium and method of manufacture
TDK ELECTRONICS CO LTD5 citations61
US4396659AAug 2, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD4 citations61
US4257078AMar 17, 1981
Read device for plane magnetic recording medium
TDK ELECTRONICS CO LTD4 citations61
US4298631ANov 3, 1981
Method for smoothing both magnetic coat layers of magnetic recording medium
TDK ELECTRONICS CO LTD5 citations57
US4414289ANov 8, 1983
High density magnetic recording medium
TDK ELECTRONICS CO LTD2 citations54
US4391877AJul 5, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD1 citations51