LexDanaLexDanabeta
Inventor

Yoshitaka Takahashi

Inventor
Yokohama, JP

Overview

90→
Patents
1976–2020
Patent span
Physics
Primary field (CPC G)

Patents· 90 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 transducer12%
G11CStatic stores8%
D05BSewing7%
G01CMeasuring distances, levels or bearings5%
G06FElectric digital data processing5%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in  a carrier gas or air5%
F23DBurners4%
G05BControl or regulating systems in general4%
C22CAlloys3%
B22FWorking metallic powder3%
PatentTitleYear
10,743,612Midsole structure for a shoe202010,690,242Abnormality determination device and abnormality determination method of lock up clutch202010,641,170Advanced humid air gas turbine system202010,150,356Glass run201810,137,895Vehicle control apparatus201810,047,858Control device for continuously variable transmission20189,677,471'Advanced humid air gas turbine system'2017D0777410'Shoe'20179,223,140'Coupling lens, illuminating device, and electronic device'20158,818,026'Object recognition device and object recognition method'20148,810,880'Optical scan unit, image projector including the same, vehicle head-up display device, and mobile phone'20148,648,767'Communication device'20148,167,493'Ball spline'20128,111,575'Semiconductor device'20127,665,408'Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus'20107,457,705'Navigation apparatus for displaying three-d stored terrain information based on position and attitude'20087,403,453'Optical disk apparatus compatible with different types of mediums adapted for different wavelengths'2008RE040414'Optical pickup apparatus'20087,252,435'Linear motion guide unit'20077,227,675'Hologram recording medium, recording/reproducing apparatus and method therefor'20077,175,404'Composite powder filling method and composite powder filling device, and composite powder molding method and composite powder molding device'20077,168,374'Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus'20077,158,521'Synchronization system and synchronization method of multisystem control apparatus'20077,088,645'Optical pickup apparatus compatible with different types of optical recording mediums'20066,976,440'Fuel distribution device for fuel feed ducts and method of operating distribution device'20056,948,438'Sewing machine'20056,949,950'Logic circuit module having power consumption control interface and a recording medium storing the module'20056,931,927'Tuning fork vibration gyro'20056,889,619'Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus'20056,792,583'Information processing apparatus, information processing system, and storage media'20046,778,451'Semiconductor memory device for masking all bits in a test write operation'20046,717,434'Logic circuit module having power consumption control interface and a recording medium storing the module'20046,715,432'Solid fuel burner and method of combustion using solid fuel burner'20046,718,426'Cache memory apparatus and central processor, hand-held device and arithmetic processor using the same'20046,700,816'Semiconductor storage device conducting a late-write operation and controlling a test read-operation to read data not from a data latch circuit but from a memory core circuit regardless'20046,647,786'Tuning-fork type vibration gyro and electrode trimming method therefor'20036,498,755'SEMICONDUCTOR STORAGE DEVICE CONDUCTING A LATE-WRITE OPERATION AND CONTROLLING A TEST READ-OPERATION TO READ DATA NOT FROM A DATA LATCH CIRCUIT BUT FROM A MEMORY CORE CIRCUIT REGARDLESS OF WHETHER A PRECEDING ADDRESS AND A PRESENT ADDRESS MATCH EACH OTHER'20026,496,433'Semiconductor device and semiconductor device testing method'20026,480,455'Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot'20026,477,130'Optical pick-up apparatus'20026,404,688'Semiconductor memory device having a self-refresh operation'20026,396,758'Semiconductor memory device'20026,389,041'Synchronization system and synchronization method of multisystem control apparatus'20026,366,005'Tuning fork type vibration gyro'20026,343,058'Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot'20026,301,216'Optical pick-up apparatus'20016,272,098'Optical disk apparatus compatible with different types of mediums and comprising optical path separating means'20016,262,924'Programmable semiconductor memory device'20016,230,562'Detection circuit for vibratory gyro and vibratory gyro device using the same'20016,194,817'Tuning-fork vibratory gyro'20016,195,315'Optical disk apparatus compatible with different types of mediums'20016,134,963'Tuning-fork type piezoelectric vibratory gyroscope'20006,089,172'Lock stitch sewing machine with automatic thread tension adjusting device'20006,038,683'Replicated controller and fault recovery method thereof'20006,026,052'Programmable semiconductor memory device'20006,004,018'Device for producing embroidery data on the basis of image data'19995,874,866'Phase-shift oscillator having ladder-type saw filter feedback circuit'19995,870,370'Optical pickup apparatus'19995,831,933'Programmable semiconductor memory device'19985,815,473'Optical pickup device for detecting tracking error of optical disks with different track pitches'19985,694,385'Optical pickup apparatus'19975,661,694'Programmable semiconductor memory device'19975,635,951'Display system with image magnification capability'19975,602,823'Optical recording medium having pre-formatted patterns arrange by shifting phases'19975,563,841'Semiconductor memory device having redundant circuit'19965,488,599'Optical pick-up device with a multifunctional prism'19965,073,888'Optical pickup device'19914,909,598'Non-linear optical device'19904,839,753'Information recording disk'19894,818,995'Parallel transmission system'19894,784,043'Atomizer and coal-water slurry fired boiler utilizing the same'19884,768,450'Initial operation controlling system for a computer controlled embroidering machine'19884,751,124'Information recording medium'19884,741,279'Method of and apparatus for combusting coal-water mixture'19884,656,100'Fiber reinforced material with matrix metal containing copper and reinforcing fibers containing alumina'19874,648,341'Computerized sewing machine'19874,648,340'Automatic buttonhole stitching device of a computerized sewing machine'19874,577,574'Electronic sewing machine with a pattern display'19864,524,309'Safety control device of commutator motors'19854,524,046'Method for manufacturing a cam-cam shaft assembly'19854,491,477'Anti-wear sintered alloy and manufacturing process thereof'19854,471,705'Device for adjusting lower thread tension of sewing machine'19844,467,740'Electronic sewing machine with a stitch pattern adjusting device'19844,403,560'Electronic sewing machine'19834,292,812'Control device for ice making machine'19814,268,309'Wear-resisting sintered alloy'19814,261,271'Electronic sewing machine with a stitch pattern adjusting device'19814,021,167'Apparatus for manufacturing spherical hollow particles'19773,977,838'Anti-wear ferrous sintered alloy'19763,962,385'Method for manufacturing spherical hollow particles'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2007Patents assigned to TOYOTA MOTOR CO LTD (8)· patent assignee history
1981–2005Patents assigned to JANOME SEWING MACHINE CO LTD (10)· patent assignee history
1984–2020Based in Tokyo, JP· patent location history
1986–2014Based in Kanagawa, JP· patent location history
1988–2010Patents assigned to HITACHI LTD (11)· patent assignee history
1991–2008Patents assigned to RICOH KK (14)· patent assignee history
1991–2020Based in Yokohama, JP· patent location history
1996–2004Patents assigned to FUJITSU LTD (16)· patent assignee history
1996–2012Based in Kawasaki, JP· patent location history
2000–2014Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD161996–2004
RICOH KK141991–2008
HITACHI LTD111988–2010
JANOME SEWING MACHINE CO LTD101981–2005
TOYOTA MOTOR CO LTD81976–2007
Locations
LocationPatentsSpan
Yokohama, JP141991–2020
Kawasaki, JP121996–2012
Tokyo, JP91984–2020
Hitachi, JP92000–2014
Kanagawa, JP91986–2014