Inventor
UEYAMA MAYUMI
JP5 patents
Patents
5 patentsUS6038366AMar 14, 2000
Magnetic recording/reproducing apparatus for search programs recorded on magnetic tape
HITACHI LTD58 citations94
US5761371AJun 2, 1998
magnetic recording/reproducing apparatus for searching programs recorded on magnetic tape
HITACHI LTD66 citations94
US6895393B1May 17, 2005
Electronic book distributing system by use of purchase certificate and devices therefor
HITACHI LTD36 citations89
US7231130B2Jun 12, 2007
Magnetic recording/reproducing apparatus for searching programs recorded on magnetic tape
HITACHI LTD10 citations82
US6389217B1May 14, 2002
Magnetic recording/reproducing apparatus for searching programs recorded on magnetic tape
HITACHI LTD2 citations61