LexDanaLexDanabeta
Inventor

Yoshio Takahashi

Inventor
Tokyo, JP

Overview

65→
Patents
1978–2021
Patent span
Physics
Primary field (CPC G)

Patents· 65 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 transducer20%
Y10TTechnical subjects covered by former us classification12%
H01JElectric discharge tubes or discharge lamps8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
B30BPresses in general2%
B60TVehicle brake control systems or parts thereof2%
C23CCoating metallic material2%
G01RMeasuring electric variables2%
C04BLime, magnesia2%
PatentTitleYear
11,066,332Dielectric ceramic composition and ceramic electronic component202110,872,743Sample holding mechanism, manufacturing method for same, and charged particle beam device202010,323,785Tablet holder20199,773,640'Sample holder, charged particle beam apparatus, and observation method'20179,601,306'Sample micromotion mechanism, method of using the same, and charged particle device'20179,404,013'Composite coating film'20169,208,990'Phase plate and electron microscope'20159,070,532'Charged particle beam apparatus sample holder with magnetic field generating element and sample holding element'20158,785,851'Interference electron microscope'20148,772,715'Electron beam device including a first electron biprism to split an electron beam into two beams and a second electron biprism in the image forming lens system to superpose the two beams'20148,524,536'Optical film cutting method and apparatus using the same'20138,284,199'Graph plotting device and graph plotting method, yield analyzing method and yield improvement support system for executing the graph plotting method, program, and computer-readable recording medium'20127,898,908'Head for thermally assisted magnetic recording device and thermally assisted magnetic recording device'20117,799,447'Perpendicular magnetic recording medium having grain boundary layer containing ferromagnetic element'20107,398,254'Component cost estimation system, component cost estimation method, cost standard data providing system, cost standard data providing method, recording medium, and computer data signal'20087,374,831'Magnetic recording medium'20087,249,405'Method for manufacturing a magnetic medium'20077,182,974'Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium'20077,065,123'Distributed feedback semiconductor laser for outputting beam of single wavelength'20067,050,253'Magnetic recording media and magnetic storage apparatus using the same'20067,041,393'Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same'20067,027,090'Image input device'20066,924,048'Magnetic recording medium and a magnetic storage apparatus'20056,884,521'Magnetic recording medium with controlled grain diameters and method for manufacturing the same'20056,709,768'Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium'20046,627,255'Method of manufacturing a magnetic recording media'20036,605,374'Magnetic recording medium and magnetic recording system using such a magnetic recording medium'20036,575,261'Drive-force distribution controller'20036,574,060'Magnetic storage apparatus'20036,569,545'Magnetic recording medium and a magnetic storage apparatus'20036,403,242'Magnetic recording medium and magnetic recording system using such a magnetic recording medium'20026,377,692'Method and system for controlling key for electronic signature'20026,365,287'Magnetic recording media and magnetic storage device'20026,339,439'Device for modifying appearance of related display planes'20026,260,027'Electronic ticket system, collecting terminal, service providing terminal, user terminal, electronic ticket collecting method and recording medium'20016,221,508'Magnetic recording media'20016,109,087'Apparatus and methods for transferring workpiece in a transfer press machine'20006,080,476'Magnetic recording medium and magnetic recording system using such a magnetic recording medium'20006,001,447'Longitudinal magnetic recording media and magnetic storage apparatus using the same'19995,936,244'Electron microscope and electron microscopy method'19995,666,053'Charged particle beam apparatus for measuring magnetic field'19975,572,122'Apparatus including a specimen tilt mechanism for measuring electromagnetic field distribution in the specimen using a focused electron beam'19965,562,969'Decorative board'19965,436,449'Transmission electron microscope and method of observing magnetic phenomena using its apparatus'1995D0360113'Vacuum bottle'19955,299,383'Plant cultivation method and apparatus therefor'19945,126,997'System for controlling motor vehicle driving force'19925,103,965'Transfer method and device and driving system therefor for transfer presses'19925,072,823'Transfer method and device and driving system therefor for transfer presses'19914,995,505'Transfer method and device and driving system therefor for transfer presses'19914,993,481'Thermal storage unit'19914,951,622'Cylinder head for DOHC internal combustion engine with four valves per cylinder'19904,883,325'Anti-lock brake control system for motor vehicles'19894,792,193'Anti-skid control system for motor vehicles'19884,709,899'Climbing formwork apparatus for concrete placing'19874,641,345'Body-sensible acoustic device'19874,594,700'Automatic disc player system with disc selecting and loading means'19864,580,256'Automatic disc loading apparatus'19864,539,670'Automatic disc loading apparatus'19854,530,081'Door structure for record players'19854,486,873'Disc loading mechanism'19844,463,799'Heat storage medium for latent heat thermal energy storage unit'19844,445,399'Process for balancing a crankshaft'19844,416,056'Process for preparation of film coils'19834,118,660'Automatic machining system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2020Based in Tokyo, JP· patent location history
1983–2013Based in Yokohama, JP· patent location history
1984–1992Based in Saitama, JP· patent location history
1985–1987Patents assigned to PIONEER ELECTRONIC CORP (5)· patent assignee history
1991–2000Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (4)· patent assignee history
1995–2020Patents assigned to HITACHI LTD (21)· patent assignee history
1995–2003Based in Kunitachi, JP· patent location history
2001–2011Based in Koganei, JP· patent location history
2004–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (8)· patent assignee history
2012–2019Patents assigned to TAKAHASHI YOSHIO (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD211995–2020
HITACHI GLOBAL STORAGE TECH82004–2010
PIONEER ELECTRONIC CORP51985–1987
TAKAHASHI YOSHIOself52012–2019
ISHIKAWAJIMA HARIMA HEAVY IND41991–2000
Locations
LocationPatentsSpan
Tokyo, JP161978–2020
Koganei, JP132001–2011
Yokohama, JP71983–2013
Kunitachi, JP71995–2003
Saitama, JP41984–1992