Inventor

Hiroshi Yanagisawa

Inventor
Kamakura, JP

Overview

24→
Patents
1983–2017
Patent span
Physics
Primary field (CPC G)

Patents· 24 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 transducer26%
H04NPictorial communication, e.g. television16%
C07CAcyclic or carbocyclic compounds8%
G06TImage data processing or generation, in general8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
A61BDiagnosis3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B24BMachines, devices, or processes for grinding or polishing3%
B60NSeats specially adapted for vehicles3%
C01BNon-metallic elements3%
PatentTitleYear
9,795,277'Monitor apparatus'20178,125,554'Viewfinder, and control method and imaging apparatus thereof'20127,532,424'Method of writing pattern on media and data storage device'20097,486,467'Magnetic disk drive and method for registering defective sector using timing control of pattern writing'20097,457,065'Systems and methods for hard disk drive optimization and manufacturing'20087,383,831'Combustion engine chamber'20087,379,396'Rotary disk type storage device'20087,286,316'Method and data storage device for writing patterns onto recording disk'20077,019,933'Servo information write method, servo control method, data storage device, and program'20066,466,387'Data recording disk and disk drive device for reducing wasted space on a data recording disk'20026,224,462'Grinding machine'20015,905,603'Magnetic recording medium magnetic head positioning method, and magnetic recording apparatus'19995,808,822'Apparatus and method for correcting a read signal in a disk drive system based upon a front peak, a back peak and a peak of interest'19985,576,908'Actuator and file level initialization of magnetoresistive transducers'19965,478,784'Silicon nitride powder and silicon nitride-containing aqueous slurry'19954,982,292'Method and apparatus for processing pel signals of an image'19914,725,892'Method and apparatus for enlarging or reducing an image on the basis of precalculated reference pel contribution rate data and two-dimensional reference window shifting amount data stored in a table memory'19884,703,364'Processor synchronous image scanner controlling method'19874,682,869'Image processing system and method'19874,598,283'Method for converting the number of bits of input bit stream'19864,566,667'Seat suspension'19864,507,494'Process for the production of a diester of oxalic acid'19854,410,722'Process for preparing oxalic acid diesters using platinum group metals supported on alumina'19834,384,133'Process for the preparation of oxalic acid diesters'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1995Patents assigned to UBE INDUSTRIES (4)· patent assignee history
1983–1985Based in Ube, JP· patent location history
1986–2002Patents assigned to IBM (9)· patent assignee history
1986–1988Based in Yokohama, JP· patent location history
1987–2012Based in Kanagawa, JP· patent location history
1991–2008Based in Kamakura, JP· patent location history
2001Patents assigned to HITACHI SEIKI KK (1)· patent assignee history
2006–2009Patents assigned to HITACHI GLOBAL STORAGE TECH (5)· patent assignee history
2008Patents assigned to HITCHI GLOBAL STORAGE TECHNOLO (1)· patent assignee history
2017Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM91986–2002
HITACHI GLOBAL STORAGE TECH52006–2009
UBE INDUSTRIES41983–1995
HITACHI SEIKI KK12001
HITCHI GLOBAL STORAGE TECHNOLO12008
Locations
LocationPatentsSpan
Kamakura, JP71991–2008
Kanagawa, JP61987–2012
Yokohama, JP31986–1988
Ube, JP31983–1985
Kawasaki, JP12017