Inventor

Yoshihito Otomo

Inventor

Yamagata, JP

Overview

13→

Patents

1995–2006

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer58%

H02KDynamo-electric machines16%

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

F16CShafts5%

H01RElectrically-conductive connections5%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%

PatentTitleYear

7,112,956'Method of generating an index signal with reduced parts'2006 6,891,293'Flexible disk drive with a gap between a main frame and a permanent magnet of a rotor so that the rotor does not fall although the rotor is upended to a stator'2005 6,769,925'Male connector terminal'2004 6,765,754'Flexible disk drive comprising an index detection hall element having an improved detection sensitive condition of a magnetic field'2004 6,574,069'Floppy disk drive control apparatus for inhibiting a seek operation when a floppy disk is not loaded in a floppy disk drive'2003 6,515,821'Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque'2003 6,429,618'Index signal generator'2002 6,351,093'Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque'2002 6,150,651'Photointerrupter driving circuit capable of decreasing the number of parts'2000 5,952,800'Integrated circuit for a flexible disk drive capable of always recognizing a correct function'1999 5,805,378'Magnetic disk drive of a structure capable of being lightened in weight'1998 5,661,389'Compact circuit for controlling a floppy disk driver'1997 5,397,186'Bearing structure for rotating shaft'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2006Patents assigned to MITSUMI ELECTRIC CO LTD (13)· patent assignee history

1995–2006Based in Yamagata, JP· patent location history

1997–2005Based in Tendo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUMI ELECTRIC CO LTD	13	1995–2006

Locations

Location	Patents	Span
Yamagata, JP	9	1995–2006
Tendo, JP	4	1997–2005