Inventor · disambiguated record
Masanori Iwabuchi
Also filed as: IWABUCHI MASANORI
11 granted patents·131 citations·filing 1991–2000
90Inventor score
Technology areasG11B
Files withNEC CORP11
Top patents by PatentIndex Score
11 records- 0182US5283705AHead retracting mechanism for a magnetic disk driveNEC CORP·Filed 1992·Granted Feb 1, 1994·34 cites·5 claims
- 0271US6396658B1Media cartridge magazine including structure for latching cartridges inserted into the magazineNEC CORP·Filed 2000·Granted May 28, 2002·9 cites·10 claims
- 0369US6504671B2Recording medium cartridge library apparatus with transfer-rollersNEC CORP·Filed 2000·Granted Jan 7, 2003·8 cites·20 claims
- 0464US6109101ASpindle motor rotational unbalance correction mechanismNEC CORP·Filed 1997·Granted Aug 29, 2000·23 cites·9 claims
- 0557US5847900ADisk clamping device for magnetic disk driveNEC CORP·Filed 1997·Granted Dec 8, 1998·13 cites·2 claims
- 0653US5602691AMagnetic disk drive apparatus using contact start/stop mode and head load/unload modeNEC CORP·Filed 1995·Granted Feb 11, 1997·11 cites·9 claims
- 0753US5296985AMagnetic disk unit using negative pressure to counterbalance having head lifting mechanismNEC CORP·Filed 1991·Granted Mar 22, 1994·11 cites·7 claims
- 0850US6108173AMagnetic locking mechanism for a disk drive actuatorNEC CORP·Filed 1994·Granted Aug 22, 2000·8 cites·8 claims
- 0947US5973421AVoice coil motor actuator for magnetic disk deviceNEC CORP·Filed 1997·Granted Oct 26, 1999·8 cites·7 claims
- 1043US5844396AVoice coil motor drive unit for magnetic disk drive having a wave shaping unit including zener diodes with zener voltage set higher than a voltage applied to the coil in positioning the magnetic head, and lower than the voltage applied to the coil in moviNEC CORP·Filed 1997·Granted Dec 1, 1998·6 cites·5 claims
- 1129US5886855ASpindle structure for magnetic disk deviceNEC CORP·Filed 1997·Granted Mar 23, 1999·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →