Inventor

Itsuki Ban

Inventor

Nerima-ku, JP

Overview

41→

Patents

1976–1988

Patent span

Electricity

Primary field (CPC H)

Patents· 41 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary

H02KDynamo-electric machines34%

G11BInformation storage based on relative movement between record carrier and transducer25%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

G01SRadio direction-finding4%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%

H05BElectric heating4%

A61FFilters implantable into blood vessels2%

F16FSprings2%

H01HElectric switches2%

PatentTitleYear

4,755,728'Single-phase semiconductor electric motor and fan using the same'1988 4,712,003'Blind person guide device'1987 4,698,563'Semiconductor electric motor having a rotary transformer to excite a rotor'1987 4,648,710'Blind guide device'1987 4,645,991'Apparatus for removing torque ripples in direct-current motors'1987 4,612,486'Semiconductor electric motor having a rotary transformer to excite a rotor'1986 4,583,016'Direct current motor'1986 4,546,294'Apparatus for removing torque ripples in a direct current motor'1985 4,460,933'Mode changeover apparatus for magnetic recorder/player'1984 4,447,751'Direct current motor'1984 4,437,029'Direct current motor'1984 4,433,362'Remotely controllable illumination apparatus'1984 4,404,485'Direct current motor'1983 4,382,214'Direct current motor'1983 4,369,388'Direct current motor with non-superposed armature windings'1983 4,342,884'Piston unit'1982 4,315,178'Direct current motor with non-superposed armature windings'1982 4,315,177'Direct current motor with non-superposed armature windings'1982 RE030761'Three-phase DC motor having non-superimposed armature coils'1981 4,290,685'Remote control device for camera'1981 4,243,902'Direct current motor with non-superposed armature windings'1981 4,227,107'Direct current motor with double layer armature windings'1980 4,224,650'Cartridge ejecting apparatus for magnetic tape players'1980 4,197,475'Direct current motor with double layer armature windings'1980 4,187,522'Magnetic tape player comprising electromagnetic latch device'1980 4,159,492'Automatic reverse apparatus for magnetic recorder/player'1979 4,130,780'Electronic photoflash'1978 4,129,889'Magnetic recording/reproducing apparatus using cassette'1978 4,118,743'Cassette tape recorder with memory controlled selective by-pass'1978 4,107,750'Track change-over mechanism for a multi-channel tape recorder'1978 4,107,587'Three-phase DC motor having non-superimposed armature coils'1978 4,072,881'Axial-air-gap type semiconductor electric motor'1978 4,047,084'Semiconductor motor controlled for energization by a single position sensing element'1977 4,031,556'Mode changeover apparatus for recorder/player'1977 4,031,557'Casette loading device for use in magnetic sound recording and playing back apparatus'1977 4,030,134'Apparatus for turning rotor for each desirable angle by driving force of capstan drive system'1977 4,024,580'Magnetic sound recording and playing back apparatus'1977 4,024,582'Track change-over mechanism for a multi-channel tape'1977 3,997,129'Magnetic recording/reproducing apparatus'1976 3,946,269'Electronic flash system'1976 3,931,556'System for driving a direct-current motor in synchronism with an external signal'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to BAN ITSUKI (37)· patent assignee history

1976–1986Patents assigned to SHIRAKI MANABU (13)· patent assignee history

1976–1988Based in Nerima-ku, JP· patent location history

1976–1987Based in Tokyo, JP· patent location history

1978–1979Patents assigned to INOUE KYOICHI (2)· patent assignee history

1980–1986Patents assigned to EGAMI KAZUHITO (10)· patent assignee history

1982Based in Higashimachi, JP· patent location history

1985–1987Patents assigned to NAKAJIMA AKIHIRO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAN ITSUKIself	37	1976–1988
SHIRAKI MANABU	13	1976–1986
EGAMI KAZUHITO	10	1980–1986
NAKAJIMA AKIHIRO	3	1985–1987
INOUE KYOICHI	2	1978–1979

Locations

Location	Patents	Span
Nerima-ku, JP	34	1976–1988
Tokyo, JP	6	1976–1987
Higashimachi, JP	1	1982