Assignee
BAN ITSUKI
37 granted patents·680 citations·filing 1973–1987
Top patents by PatentIndex Score
37 records- 0189US4197475ADirect current motor with double layer armature windingsBAN ITSUKI·Filed 1978·Granted Apr 8, 1980·45 cites·4 claims
- 0288US4437029ADirect current motorBAN ITSUKI·Filed 1981·Granted Mar 13, 1984·48 cites·4 claims
- 0383US4712003ABlind person guide deviceBAN ITSUKI·Filed 1987·Granted Dec 8, 1987·59 cites·5 claims
- 0482US4342884APiston unitBAN ITSUKI·Filed 1979·Granted Aug 3, 1982·42 cites·18 claims
- 0580US4159492AAutomatic reverse apparatus for magnetic recorder/playerBAN ITSUKI·Filed 1978·Granted Jun 26, 1979·21 cites·16 claims
- 0677US4290685ARemote control device for cameraBAN ITSUKI·Filed 1980·Granted Sep 22, 1981·13 cites·4 claims
- 0777US4107587AThree-phase DC motor having non-superimposed armature coilsBAN ITSUKI·Filed 1975·Granted Aug 15, 1978·24 cites·10 claims
- 0877US4072881AAxial-air-gap type semiconductor electric motorBAN ITSUKI·Filed 1976·Granted Feb 7, 1978·28 cites·17 claims
- 0976US4433362ARemotely controllable illumination apparatusBAN ITSUKI·Filed 1981·Granted Feb 21, 1984·19 cites·7 claims
- 1074US4755728ASingle-phase semiconductor electric motor and fan using the sameBAN ITSUKI·Filed 1987·Granted Jul 5, 1988·35 cites·13 claims
- 1174US4583016ADirect current motorBAN ITSUKI·Filed 1984·Granted Apr 15, 1986·28 cites·2 claims
- 1273US4546294AApparatus for removing torque ripples in a direct current motorBAN ITSUKI·Filed 1985·Granted Oct 8, 1985·24 cites·3 claims
- 1373US4227107ADirect current motor with double layer armature windingsBAN ITSUKI·Filed 1978·Granted Oct 7, 1980·25 cites·2 claims
- 1472US4645991AApparatus for removing torque ripples in direct-current motorsBAN ITSUKI·Filed 1985·Granted Feb 24, 1987·28 cites·8 claims
- 1569US4612486ASemiconductor electric motor having a rotary transformer to excite a rotorBAN ITSUKI·Filed 1985·Granted Sep 16, 1986·30 cites·12 claims
- 1667US4404485ADirect current motorBAN ITSUKI·Filed 1981·Granted Sep 13, 1983·23 cites·1 claims
- 1765US4031556AMode changeover apparatus for recorder/playerBAN ITSUKI·Filed 1976·Granted Jun 21, 1977·13 cites·28 claims
- 1864US4447751ADirect current motorBAN ITSUKI·Filed 1981·Granted May 8, 1984·20 cites·4 claims
- 1963US4243902ADirect current motor with non-superposed armature windingsBAN ITSUKI·Filed 1978·Granted Jan 6, 1981·17 cites·2 claims
- 2059US4130780AElectronic photoflashBAN ITSUKI·Filed 1977·Granted Dec 19, 1978·16 cites·16 claims
- 2155US3997129AMagnetic recording/reproducing apparatusBAN ITSUKI·Filed 1976·Granted Dec 14, 1976·13 cites·17 claims
- 2253US4648710ABlind guide deviceBAN ITSUKI·Filed 1985·Granted Mar 10, 1987·20 cites·6 claims
- 2353US4024580AMagnetic sound recording and playing back apparatusBAN ITSUKI·Filed 1975·Granted May 17, 1977·9 cites·21 claims
- 2452US4698563ASemiconductor electric motor having a rotary transformer to excite a rotorBAN ITSUKI·Filed 1986·Granted Oct 6, 1987·16 cites·21 claims
- 2552US3946269AElectronic flash systemBAN ITSUKI·Filed 1974·Granted Mar 23, 1976·8 cites·9 claims
- 2650US4315177ADirect current motor with non-superposed armature windingsBAN ITSUKI·Filed 1980·Granted Feb 9, 1982·12 cites·2 claims
- 2748US4369388ADirect current motor with non-superposed armature windingsBAN ITSUKI·Filed 1981·Granted Jan 18, 1983·11 cites·4 claims
- 2844US4047084ASemiconductor motor controlled for energization by a single position sensing elementBAN ITSUKI·Filed 1975·Granted Sep 6, 1977·6 cites·13 claims
- 2942US4315178ADirect current motor with non-superposed armature windingsBAN ITSUKI·Filed 1980·Granted Feb 9, 1982·8 cites·2 claims
- 3039US4031557ACasette loading device for use in magnetic sound recording and playing back apparatusBAN ITSUKI·Filed 1975·Granted Jun 21, 1977·4 cites·6 claims
- 3139US3931556ASystem for driving a direct-current motor in synchronism with an external signalBAN ITSUKI·Filed 1973·Granted Jan 6, 1976·4 cites·8 claims
- 3237US4382214ADirect current motorBAN ITSUKI·Filed 1980·Granted May 3, 1983·5 cites·4 claims
- 3333US4460933AMode changeover apparatus for magnetic recorder/playerBAN ITSUKI·Filed 1981·Granted Jul 17, 1984·1 cites·12 claims
- 3430US4030134AApparatus for turning rotor for each desirable angle by driving force of capstan drive systemBAN ITSUKI·Filed 1975·Granted Jun 14, 1977·1 cites·4 claims
- 3528US4024582ATrack change-over mechanism for a multi-channel tapeBAN ITSUKI·Filed 1975·Granted May 17, 1977·2 cites·10 claims
- 3625US4118743ACassette tape recorder with memory controlled selective by-passBAN ITSUKI·Filed 1977·Granted Oct 3, 1978·1 cites·7 claims
- 3725US4107750ATrack change-over mechanism for a multi-channel tape recorderBAN ITSUKI·Filed 1977·Granted Aug 15, 1978·1 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →