Inventor · disambiguated record
Masao Ohkita
Also filed as: OHKITA MASAO
33 granted patents·1 pending application·545 citations·filing 1977–2002
97Inventor score
Top patents by PatentIndex Score
34 records- 0197US6461183B1Terminal of socket connectorHON HAI PREC IND CO LTD·Filed 2001·Granted Oct 8, 2002·116 cites·5 claims
- 0290US5099374ADisk drive with improved structure for fastening bearing assembly to rotor and housingALPS ELECTRIC CO LTD·Filed 1991·Granted Mar 24, 1992·43 cites·2 claims
- 0389US6429919B1Reflector having pits and projection on a surface thereof, manufacturing method for the same, and reflection-type liquid crystal display device employing the reflectorALPS ELECTRIC CO LTD·Filed 2000·Granted Aug 6, 2002·38 cites·6 claims
- 0486US4785365ADoor assembly with inner shutter for closing opening for cartridge insertion in disk drive deviceALPS ELECTRIC CO LTD·Filed 1987·Granted Nov 15, 1988·34 cites·6 claims
- 0583US4456155AAerosol spray deviceALPS ELECTRIC CO LTD·Filed 1981·Granted Jun 26, 1984·64 cites·6 claims
- 0682US6478637B1Contact for CPU socketHON HAI PREC IND CO LTD·Filed 2001·Granted Nov 12, 2002·29 cites·1 claims
- 0780US5101305ADisk drive device including a V-shaped air filterALPS ELECTRIC CO LTD·Filed 1991·Granted Mar 31, 1992·23 cites·1 claims
- 0879US6256280B1Disk ejection deviceALPS ELECTRIC CO LTD·Filed 1999·Granted Jul 3, 2001·36 cites·7 claims
- 0974US6558182B1Terminal of socket connectorHON HAI PREC IND CO LTD·Filed 2002·Granted May 6, 2003·15 cites·11 claims
- 1069US6421106B1Reflector having pits and projections on a surface thereof, manufacturing method for the same, and reflection type liquid crystal display device employing the reflectorALPS ELECTRIC CO LTD·Filed 1998·Granted Jul 16, 2002·34 cites·8 claims
- 1163US4137438ALever switchALPS ELECTRIC CO LTD·Filed 1977·Granted Jan 30, 1979·10 cites·1 claims
- 1261US4901174ADisk cassette loading and ejecting mechanism for a magnetic disk apparatusALPS ELECTRIC CO LTD·Filed 1988·Granted Feb 13, 1990·12 cites·3 claims
- 1361US4803576ADisc driving deviceALPS ELECTRIC CO LTD·Filed 1987·Granted Feb 7, 1989·12 cites·5 claims
- 1454US6368139B1Electrical socket having improved latching meansHON HAI PREC IND CO LTD·Filed 2001·Granted Apr 9, 2002·8 cites·9 claims
- 1550US4129764APush switchALPS ELECTRIC CO LTD·Filed 1977·Granted Dec 12, 1978·6 cites·12 claims
- 1645US5105321ADisk drive including flexible print board and back tension regulating pieceALPS ELECTRIC CO LTD·Filed 1991·Granted Apr 14, 1992·6 cites·2 claims
- 1745US4146758ARotary switch assemblyALPS ELECTRIC CO LTD·Filed 1977·Granted Mar 27, 1979·7 cites·3 claims
- 1841US4772973ALoading/ejecting mechanism in disk driving device having sliding plate below the turntable motorALPS ELECTRIC CO LTD·Filed 1987·Granted Sep 20, 1988·5 cites·1 claims
- 1938US4875276AMethod of producing magnetic head deviceALPS ELECTRIC CO LTD·Filed 1989·Granted Oct 24, 1989·7 cites·1 claims
- 2038US4765782ACutterALPS ELECTRIC CO LTD·Filed 1987·Granted Aug 23, 1988·6 cites·3 claims
- 2138US2003114028A1Solder-bearing leadFiled 2001·Application pending·0 cites
- 2237US5859485ABearing structure for stepping motorALPS ELECTRIC CO LTD·Filed 1997·Granted Jan 12, 1999·3 cites·2 claims
- 2337US5012366AMagnetic head supporting deviceALPS ELECTRIC CO LTD·Filed 1990·Granted Apr 30, 1991·4 cites·1 claims
- 2436US5796547ADisk cartridge and drive mechanism thereofALPS ELECTRIC CO LTD·Filed 1996·Granted Aug 18, 1998·3 cites·3 claims
- 2535US6188541B1Magnetic recording-reproducing deviceALPS ELECTRIC CO LTD·Filed 1999·Granted Feb 13, 2001·4 cites·5 claims
- 2635US4851941ADisk drive apparatus having fine adjustment structure for disk pressing padALPS ELECTRIC CO LTD·Filed 1987·Granted Jul 25, 1989·3 cites·2 claims
- 2732US5432312APush-lock devicesALPS ELECTRIC CO LTD·Filed 1993·Granted Jul 11, 1995·4 cites·9 claims
- 2832US4796118AWelded leaf spring mounting for magnetic head assembly of disk drive apparatusALPS ELECTRIC CO LTD·Filed 1987·Granted Jan 3, 1989·2 cites·3 claims
- 2932US4779155ADisc driving device employing a seven drive head positioning unitALPS ELECTRIC CO LTD·Filed 1987·Granted Oct 18, 1988·2 cites·5 claims
- 3032US4314118ASwitch having a coil spring and method of assemblingALPS ELECTRIC CO LTD·Filed 1978·Granted Feb 2, 1982·2 cites·4 claims
- 3131US5861687AMotor and recording and/or reproducing apparatus using the motorALPS ELECTRIC CO LTD·Filed 1995·Granted Jan 19, 1999·7 cites·7 claims
- 3227US6233112B1Magnetic recording/regenerating apparatusALPS ELECTRIC CO LTD·Filed 1999·Granted May 15, 2001·0 cites·6 claims
- 3327US6233113B1Magnetic recording/regenerating apparatusALPS ELECTRIC CO LTD·Filed 1999·Granted May 15, 2001·0 cites·3 claims
- 3426US5940248AMechanism in disk drive apparatus for preventing insertion of a disk cartridge when the shutter disk cartridge is closedALPS ELECTRIC CO LTD·Filed 1997·Granted Aug 17, 1999·0 cites·8 claims
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