Inventor
MASUDA KENMEI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA KENMEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
19 patentsUS5495371AFeb 27, 1996
Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head
HITACHI LTD30 citations91
US6108165AAug 22, 2000
Rotary drum equipment and recording/reproducing equipment using the same
HITACHI LTD17 citations81
US4814910AMar 21, 1989
Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head
HITACHI LTD10 citations74
US5739976AApr 14, 1998
Magnetic recording and reproducing apparatus
HITACHI LTD10 citations73
US5602695AFeb 11, 1997
Cassette loading mechanism for recording and playback apparatus
HITACHI LTD12 citations73
US5570831ANov 5, 1996
Pneumatic static guide for a tape
HITACHI LTD14 citations73
US5497279AMar 5, 1996
Tape cartridge and recording reproduction apparatus for the tape cartridge
HITACHI LTD9 citations73
US5617391AApr 1, 1997
Optical recording and reproducing system
HITACHI LTD15 citations72
US6654194B1Nov 25, 2003
High reliability magneto-resistive head cleaning system
HITACHI LTD10 citations71
US5978185ANov 2, 1999
Rotary head and recording/reading apparatus provided with rotary head
HITACHI LTD8 citations71
US5608585AMar 4, 1997
Magnetic recording and reproducing apparatus with repositioning stop mode
HITACHI LTD8 citations71
US5448427ASep 5, 1995
Magnetic recording and reproducing apparatus
HITACHI LTD10 citations71
US4789912ADec 6, 1988
Magnetic recording and reproducing apparatus of rotary head type
HITACHI LTD18 citations70
US6078464AJun 20, 2000
Drum base on which a drum of a magnetic tape recorder is mounted
HITACHI LTD5 citations62
US5812340ASep 22, 1998
Magnetic tape recording and reproducing plug-in unit
HITACHI LTD5 citations62
US5434735AJul 18, 1995
Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head
HITACHI LTD5 citations62
US4924329AMay 8, 1990
Rotary drum apparatus for a magnetic recording and reproducing device
HITACHI LTD5 citations61
US5734537AMar 31, 1998
Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same
HITACHI LTD1 citations51
US6867938B2Mar 15, 2005
Digital information reproducing apparatus using rotary magnetic heads
HITACHI LTD0 citations42
HITACHI MAXELL
3 patentsUS5479312ADec 26, 1995
Tape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatus
HITACHI MAXELL8 citations73
US6061213AMay 9, 2000
Magnetic tape cartridge having triple lid assembly
HITACHI MAXELL0 citations51
US5687047ANov 11, 1997
Magnetic tape cartridge having triple lid assembly
HITACHI MAXELL1 citations51