Inventor · disambiguated record
Osami Matsushita
Also filed as: MATSUSHITA OSAMI
16 granted patents·436 citations·filing 1980–1994
95Inventor score
Files withHITACHI LTD16
Top patents by PatentIndex Score
16 records- 0187US4685335AMethod and apparatus for monitoring cracks of a rotatable bodyHITACHI LTD·Filed 1984·Granted Aug 11, 1987·53 cites·18 claims
- 0285US5230616ARotary compressor with shaft balancersHITACHI LTD·Filed 1989·Granted Jul 27, 1993·51 cites·2 claims
- 0382US4579508ATurbomolecular pumpHITACHI LTD·Filed 1983·Granted Apr 1, 1986·43 cites·6 claims
- 0480US4557679ARotary fluid machine with thrust bearing mounting unitHITACHI LTD·Filed 1984·Granted Dec 10, 1985·29 cites·17 claims
- 0578US5012359AMagnetic disk apparatusHITACHI LTD·Filed 1989·Granted Apr 30, 1991·23 cites·9 claims
- 0678US4697128AControl apparatus for a rotor supported by an electromagnetic bearingHITACHI LTD·Filed 1986·Granted Sep 29, 1987·36 cites·4 claims
- 0777US5256952AMagnetic bearing control method and apparatusHITACHI LTD·Filed 1992·Granted Oct 26, 1993·32 cites·10 claims
- 0874US4841212AElectromagnetic bearing control apparatusHITACHI LTD·Filed 1987·Granted Jun 20, 1989·34 cites·7 claims
- 0967US5486729AMethod and apparatus for controlling a magnetic bearingHITACHI LTD·Filed 1993·Granted Jan 23, 1996·23 cites·33 claims
- 1067US5408875ABalancing method for flexible rotor and a balancer applicable to the balancing methodHITACHI LTD·Filed 1992·Granted Apr 25, 1995·31 cites·10 claims
- 1163US4377947ADevice for identifying rubbing locations in rotating machinesHITACHI LTD·Filed 1980·Granted Mar 29, 1983·21 cites·5 claims
- 1260US5051852AMechanism for balancing a rotary magnetic head apparatusHITACHI LTD·Filed 1989·Granted Sep 24, 1991·12 cites·9 claims
- 1354US5491396AMagnetic bearing apparatus and rotating machine having such an apparatusHITACHI LTD·Filed 1994·Granted Feb 13, 1996·16 cites·9 claims
- 1447US4992714ABand pass filter device and a method of filtering using such a deviceHITACHI LTD·Filed 1990·Granted Feb 12, 1991·11 cites·26 claims
- 1542US4768921ATurbomolecular vacuum pumpHITACHI LTD·Filed 1987·Granted Sep 6, 1988·13 cites·13 claims
- 1635US4732530ATurbomolecular pumpHITACHI LTD·Filed 1985·Granted Mar 22, 1988·8 cites·10 claims
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