Inventor · disambiguated record
Masao Iwakura
Also filed as: IWAKURA MASAO
17 granted patents·3 pending applications·292 citations·filing 1990–2008
95Inventor score
Top patents by PatentIndex Score
20 records- 0193US7330334B2Magnetic disk apparatus with shroud and having open space downstream of moveable arms in communication with bypass channelHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 12, 2008·14 cites·9 claims
- 0288US6490123B1Disc drive having 3.5 inch form factor housing and 2.5 inch form factor disk mediaHITACHI LTD·Filed 1998·Granted Dec 3, 2002·43 cites·4 claims
- 0387US6665139B2Magnetic-disc unit with gap between disc and shroudHITACHI LTD·Filed 2001·Granted Dec 16, 2003·23 cites·26 claims
- 0487US6600626B2Magnetic disk apparatusHITACHI LTD·Filed 2002·Granted Jul 29, 2003·19 cites·9 claims
- 0586US6369978B1Magnetic disk apparatus with shroud having opening downstream of moveable armHITACHI LTD·Filed 1999·Granted Apr 9, 2002·49 cites·8 claims
- 0680US5124854ACassette loading apparatus having an inner cassette holder supported on an outer cassette holderHITACHI LTD·Filed 1990·Granted Jun 23, 1992·34 cites·7 claims
- 0779US5720442ACapstanless tape driving method and information recording and reproduction apparatusHITACHI LTD·Filed 1996·Granted Feb 24, 1998·34 cites·16 claims
- 0871US7925028B2Electronic device having a blower with noise controlHITACHI LTD·Filed 2008·Granted Apr 12, 2011·6 cites·2 claims
- 0971US6728074B2Method and apparatus for information recording and reproducing using an air force latch mechanismHITACHI LTD·Filed 2001·Granted Apr 27, 2004·8 cites·10 claims
- 1066US7733599B2Structure to prevent deformation of magnetic disk device housingHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 8, 2010·2 cites·13 claims
- 1165US6898049B2Magnetic disk apparatus with air flow bypass channelHITACHI LTD·Filed 2003·Granted May 24, 2005·4 cites·4 claims
- 1264US5119257ARotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the sameHITACHI LTD·Filed 1990·Granted Jun 2, 1992·16 cites·9 claims
- 1361US6717774B2Information recording and reproducing apparatus with an air force latch mechanismHITACHI LTD·Filed 2001·Granted Apr 6, 2004·4 cites·5 claims
- 1457US5315460AMagnetic recording and reproducing apparatus including S fixed chassis for supporting a head drum and a movable chassis for mounting a tape cassetteHITACHI LTD·Filed 1993·Granted May 24, 1994·12 cites·7 claims
- 1551US5537266ATape loading device and magnetic conversion apparatusHITACHI LTD·Filed 1994·Granted Jul 16, 1996·8 cites·22 claims
- 1649US5278707ATape loading mechanism for magnetic recording and/or reproducing apparatusHITACHI LTD·Filed 1991·Granted Jan 11, 1994·8 cites·24 claims
- 1749US5065264ACapstan arrangement for a magnetic recording/reproduction apparatusHITACHI LTD·Filed 1990·Granted Nov 12, 1991·8 cites·3 claims
- 1843US2002093760A1Magnetic disk drive and magnetic disk drive systemHITACHI LTD·Filed 2002·Application pending·0 cites
- 1943US2002093758A1Magnetic disk drive and magnetic disk drive systemHITACHI LTD·Filed 2002·Application pending·0 cites
- 2043US2002093759A1Magnetic disk drive and magnetic disk drive systemHITACHI LTD·Filed 2002·Application pending·0 cites
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