Inventor
HATAKEYAMA IWAO
JP4 patents
Patents
4 patentsUS4618901AOct 21, 1986
High density magnetic head
NIPPON TELEGRAPH & TELEPHONE40 citations90
US5051970ASep 24, 1991
Magneto-optic recording system with overwrite capability
NIPPON TELEGRAPH & TELEPHONE41 citations89
US4642245AFeb 10, 1987
Iron oxide magnetic film and process for fabrication thereof
NIPPON TELEGRAPH & TELEPHONE8 citations71
US4544612AOct 1, 1985
Iron oxide magnetic film and process for fabrication thereof
NIPPON TELEGRAPH & TELEPHONE5 citations71