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Inventor

Yoshihide Majima

Inventor
Tokyo, JP

Overview

27→
Patents
1998–2019
Patent span
Physics
Primary field (CPC G)

Patents· 27 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 transducer29%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
G01RMeasuring electric variables10%
H02JElectric power networks8%
H02HEmergency protective circuit arrangements6%
H04WWireless communication networks4%
LOC144%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
D0870179Camera20199,935,451Protection monitoring circuit, battery pack, secondary battery monitoring circuit, and protection circuit20189,231,283'Protection monitoring circuit, battery pack, secondary battery monitoring circuit, and protection circuit'20168,996,324'Battery-state monitoring apparatus'20158,890,482'Protection monitoring circuit and battery pack'20148,749,204'Battery condition detector, battery pack including same, and battery condition detecting method'20148,378,638'Battery status detecting method and battery status detecting apparatus'20138,234,087'Apparatus and method for detecting a status of a secondary battery connected to a load'20128,140,129'Mobile phone terminal and communication system'20128,036,717'Mobile phone terminal and charging system'20117,356,018'Communication system, communication device, and communication method'2008D0491190'Icon for a display screen'2004D0484143'Icon for a display screen'20036,369,990'Recording/reproducing device with read/write head carriage supporting voice coil of voice coil motor for driving the carriage assembly'20026,341,045'Disk-shaped recording medium and formatting method thereof wherein historic information including a storage capacity of the disk-shaped recording medium is recorded thereon'20026,324,660'Defect management method for a magnetic recording medium'20016,278,586'Recording/reproducing device with read/write head carriage supporting voice coil of voice coil motor for driving the carriage assembly'20016,201,657'Removable type magnetic recording/reproducing device'20016,084,750'Recording/reproducing device with read/write head carriage supporting voice coil of voice coil motor for driving the carriage assembly'20006,067,201'Disk protection method for removable magnetic recording/reproducing device'20006,034,838'Magnetic recording/reproducing device with an improved carriage location detector'20005,998,947'Method capable of surely chucking a FD inserted in a high-density type FDD'19995,953,176'Control method for a high-density type FDD capable of automatically rotating a FD inserted therein at a rotation speed matched with the fd'19995,850,322'Magnetic recording/reproducing device having head carriage with shock absorber'19985,841,606'Magnetic recording/reproducing device with magnetic shield between voice coil motor and flexible cable'19985,835,304'Magnetic recording/reproducing device having a magnetic head and a lift arm presser assembly wherein a lift arm pressing spring pressers a lift arm downward at a point closer to the magnetic head than to a middle point between the magnetic head and a cent'19985,831,794'Flexible disk drive having head carriage locking mechanism'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2019Patents assigned to MITSUMI ELECTRIC CO LTD (27)· patent assignee history
1998–2002Based in Hatano, JP· patent location history
1999–2002Based in Hadano, JP· patent location history
2003–2018Based in Tokyo, JP· patent location history
2008–2019Based in Tama, JP· patent location history
2011–2012Based in Kanagawa, JP· patent location history
2012–2018Patents assigned to MAJIMA YOSHIHIDE (8)· patent assignee history
2012–2018Patents assigned to IKEUCHI AKIRA (4)· patent assignee history
2014–2015Patents assigned to KANAI YASUYUKI (2)· patent assignee history
2014–2015Patents assigned to NTT DOCOMO INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUMI ELECTRIC CO LTD271998–2019
MAJIMA YOSHIHIDEself82012–2018
IKEUCHI AKIRA42012–2018
KANAI YASUYUKI22014–2015
NTT DOCOMO INC22014–2015
Locations
LocationPatentsSpan
Tokyo, JP72003–2018
Hatano, JP71998–2002
Hadano, JP61999–2002
Tama, JP42008–2019
Kanagawa, JP22011–2012