Inventor
HATTORI SEIZI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI SEIZI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
3 patentsUS4232071ANov 4, 1980
Method of producing magnetic thin film
NIPPON TELEGRAPH & TELEPHONE13 citations72
US4013534AMar 22, 1977
Method of making a magnetic oxide film
NIPPON TELEGRAPH & TELEPHONE13 citations72
US4003813AJan 18, 1977
Method of making a magnetic oxide film with high coercive force
NIPPON TELEGRAPH & TELEPHONE16 citations72
FUJITSU LTD
3 patentsUS4232061ANov 4, 1980
Magnetic recording medium and process for producing the same
FUJITSU LTD7 citations71
US4215158AJul 29, 1980
Magnetic recording medium and process for producing the same
FUJITSU LTD5 citations59
US4156037AMay 22, 1979
Process for producing a magnetic recording medium
FUJITSU LTD5 citations59