P

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 patents
US5495371AFeb 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 patents

EXABYTE CORP

1 patent