LexDanaLexDanabeta
Inventor

Yukio Honda

Inventor
Fuchu, JP

Overview

81→
Patents
1976–2008
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 81 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 transducer21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
Y10TTechnical subjects covered by former us classification18%
H02KDynamo-electric machines12%
B82YSpecific uses or applications of nanostructures5%
H01JElectric discharge tubes or discharge lamps3%
H04BTransmission3%
Y02TClimate change mitigation technologies related to transportation3%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for2%
G01QScanning-probe techniques or apparatus2%
PatentTitleYear
7,411,329'Permanent magnet synchronous motor including permanent magnet with tapered outer edges and rotor core with opening'20087,408,279'Permanent magnet synchronous motor including permanent magnet with tapered outer edges'20087,399,540'Perpendicular magnetic recording media, magnetic recording apparatus'20087,316,852'Perpendicular magnetic recording media'20087,233,092'Permanent magnet synchronous motor'20077,153,546'Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same'20067,147,941'Perpendicular magnetic recording media, magnetic recording apparatus'20067,138,195'Perpendicular magnetic recording media and magnetic storage'20067,071,584'Linear motor'20067,026,810'Method for testing or recording servo signal on perpendicular magnetic recording media'20066,979,924'Compressor using a motor'20056,940,205'Permanent magnet synchronous motor'20056,894,488'Method for testing or recording servo signal on perpendicular magnetic recording media'20056,858,330'Perpendicular magnetic recording media and magnetic storage apparatus using the same'20056,808,824'Perpendicular magnetic recording media'20046,799,362'Motor and method for manufacturing the same'20046,770,389'Perpendicular magnetic recording medium and magnetic recording apparatus'20046,759,148'Perpendicular magnetic recording media and magnetic storage apparatus using the same'20046,759,778'Electric vehicle using a motor'20046,736,501'Platen and printer using the same'20046,723,457'Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same'20046,716,516'Magnetic recording medium and magnetic recording apparatus using the same'20046,686,070'Perpendicular magnetic recording media, magnetic recording apparatus'20046,653,753'Linear motor'20036,607,849'Magnetic recording medium and magnetic recording apparatus using the same'20036,592,976'Magnetic recording medium and magnetic recording apparatus using the same'20036,583,531'Motor with permanent magnet'20036,562,453'Perpendicular magnetic recording medium and magnetic recording apparatus'20036,541,125'Magnetic recording medium'20036,534,164'Magnetic recording medium and magnetic recording apparatus using the same'20036,447,936'Magnetic recording medium and magnetic recording apparatus using the same'20026,403,203'Magnetic recording medium and magnetic recording apparatus using the same'20026,383,667'Magnetic recording medium'20026,369,480'Compressor using a motor'20026,356,001'Electric vehicle using a motor'20026,300,703'Rotor core for reluctance motor'20016,300,700'Motor'20016,259,181'Rotor core for reluctance motor'20016,183,893'Perpendicular magnetic recording medium and magnetic storage apparatus using the same'20016,101,081'Magnetizing method for rotor magnet of reluctance magnet motor'20006,083,599'Perpendicular magnetic recording media and magnetic recording and reproducing apparatus using the same'20006,052,272'Laminated capacitor'20006,049,153'Motor'20006,008,559'Motor using a rotor including an interior permanent magnet'19995,982,133'Brushless motor with rotor position detection compensation caused by induced voltage in rotor'19995,945,760'Motor with built-in permanent magnets'19995,851,643'Magnetic recording media and magnetic recording read-back system which uses such media'19985,812,363'Multilayer capacitor including a dielectric breakdown prevention layer'19985,777,405'Damping member for minimotor and minimotor equipped with the same'19985,738,927'Perpendicular magnetic recording media and magnetic recording device'19985,685,958'Method of fabricating a magnetic recording medium'19975,599,580'Method of fabricating a magnetic recording medium'19975,536,585'Magnetic recording medium and fabrication method therefor'19965,488,255'Cooling device for semiconductor packages, having flexible film heat expulsion means'19965,467,642'Scanning probe microscope and method of control error correction'19955,436,448'Surface observing apparatus and method'19955,402,024'Rotor for a permanent-magnet motor'19955,231,294'Manganese-aluminum and manganese-silicon magnetic films, and magnetic recording medium'19935,229,607'Combination apparatus having a scanning electron microscope therein'19935,144,128'Surface microscope and surface microscopy'19925,095,255'Variable-driving unit for wipers and a wiper device incorporating the same'19925,077,266'Method of forming weak-link Josephson junction, and superconducting device employing the junction'19915,073,460'Magnetic recording medium and process for producing the same'19915,068,158'Magnetic recording medium and process for preparing the same'19914,993,102'Variable-driving unit for wipers and a wiper device incorporating the same'19914,957,825'Magnetic recording medium and process for producing the same'19904,840,844'Magnetic recording medium'19894,783,876'Concealable wiper apparatus for vehicle'19884,780,926'Stretchable wiper apparatus for vehicle'19884,743,491'Perpendicular magnetic recording medium and fabrication method therefor'19884,722,869'Magnetic recording medium'19884,720,766'Ceramic capacitor'19884,707,756'Perpendicular magnetic recording medium'19874,702,370'Electronic components series'19874,597,307'Foot-operated control device for parking brake'19864,518,890'Impregnated cathode'19854,484,883'Multi-layer extrusion die'19844,400,648'Impregnated cathode'19834,291,252'Electron tube cathode'19814,260,665'Electron tube cathode and method for producing the same'19813,932,314'Hexaboride electron emissive material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2006Patents assigned to HITACHI LTD (43)· patent assignee history
1981–2008Based in Fuchu, JP· patent location history
1987–1991Patents assigned to HITACHI MAXELL (4)· patent assignee history
1987–2000Patents assigned to MURATA MANUFACTURING CO (4)· patent assignee history
1991–1992Based in Kosai, JP· patent location history
1995–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (22)· patent assignee history
1995–2005Based in Katano, JP· patent location history
1998–2000Based in Fukui, JP· patent location history
2001–2008Based in Osaka, JP· patent location history
2006–2008Patents assigned to HITACHI GLOBAL STORAGE TECH (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD431976–2006
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD221995–2008
HITACHI GLOBAL STORAGE TECH42006–2008
HITACHI MAXELL41987–1991
MURATA MANUFACTURING CO41987–2000
Locations
LocationPatentsSpan
Fuchu, JP461981–2008
Katano, JP131995–2005
Osaka, JP82001–2008
Fukui, JP21998–2000
Kosai, JP21991–1992