LexDanaLexDanabeta
Inventor

Toshihiko Shimizu

Inventor
Ibaraki, JP

Overview

90→
Patents
1981–2020
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 transducer34%
H03FAmplifiers6%
B29DProducing particular articles from plastics or from substances in a plastic state4%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
G10HElectrophonic musical instruments4%
H03MCoding4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
LOC124%
G02CSpectacles3%
PatentTitleYear
10,747,025Polarizing lens, eyewear, and method for manufacturing polarizing lens202010,591,018Vibration-suppressing mechanism to be attached to charged particle beam device, and charged particle beam device202010,363,712Method of manufacturing polarizing plastic lens201910,153,128Charged particle beam apparatus and sample elevating apparatus201810,099,439Method of manufacturing polarizing plastic lens201810,018,277Flow rate control valve and mass flow controller using the same20189,734,983'Charged particle radiation apparatus'20179,644,778'Device for work implementation without stopping flow, and method for work implementation without stopping flow'20179,638,938'Polarizing lens and method of manufacturing the same'20178,699,166'Magnetic head drive device with micro-actuators of end arms rotating in a direction opposite micro-actuators of intermediate arms'20148,537,500'Magnetic disk device'20138,339,204'Semiconductor device'20128,094,412'Magnetic disk device and head stack assembly'20128,064,171'Magnetic disk drive and voice coil motor'20117,952,434'Semiconductor device'20117,864,637'Optical disc recording and reproducing apparatus and disc autochanger'20117,756,494'RF power amplifier'20107,652,850'Rotating disk type storage unit with reduced vibration'20107,576,944'Shielding function for magnetic head in magnetic disk device'20097,545,607'Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same'20097,525,759'Magnetic disk device with improved shielding'2009D0584192'Automobile and/or replica thereof'20097,468,861'Magnetic disk apparatus with shield for magnetic head'20087,460,341'Magnetic disk device and suspension having multiple arm portions of varying lengths'20087,408,738'Magnetic recording system with improved magnetic shield'20087,348,856'Semiconductor device'20087,215,203'High frequency power amplifier circuit device'20077,130,159'Magnetic disk apparatus'20067,116,175'Semiconductor device'20067,110,223'Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same'20067,061,722'Magnetic head gimbal assembly and magnetic disk unit'20067,049,892'High frequency power amplifier circuit device'20067,031,118'Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same'2006D0516969'Rear bumper for an automobile'2006D0516474'Front bumper for an automobile'20066,982,852'Carriage arm assembly for magnetic disk drive'20066,970,330'Magnetic disk drive with carriage having bobbin supporting annular coil connected by connection members'20056,927,947'Magnetic disk apparatus'20056,912,102'Magnetic head with IC thereon with recording frequency controlled according to IC position'20056,879,467'Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same'20056,825,548'Semiconductor device'20046,759,906'High frequency power amplifier circuit device'20046,760,193'Magnetic head gimbal assembly and magnetic disk unit'20046,754,023'Magnetic disk device with magnetic head supporting mechanism having integrated circuit mounted thereon'20046,624,982'Magnetic disk recording apparatus'20036,618,225'Magnetic head supporting apparatus having thermally insulated IC mounted on an arm portion'20036,614,627'Magnetic disk apparatus'20036,614,623'Disc drive head supporting mechanism having power supply pads for an integrated circuit which are of a greater area than signal/control junction pads'20036,594,104'Magnetic disk unit including temperature sensing of IC mounted on suspension'20036,498,702'Magnetic head supporting apparatus having thermally insulated read/write IC mounted on arm portions thereof'20026,493,179'Magnetic head gimbal assembly and magnetic disk unit'20026,462,910'Magnetic disk apparatus'20026,445,544'Magnetic head gimbal assembly and magnetic disk unit'20026,373,659'Magnetic slider head and method of producing the same'20026,307,716'Magnetic disk device'20016,226,155'Ramp load type magnetic disk unit'20016,157,519'Magnetic head gimbal assembly of a magnetic disk unit having a load point matched with the center of impact'20006,122,148'Magnetic head slider and method of production thereof'20006,069,774'Magnetic head support device for magnetic disc recording device'20005,999,369'Magnetic disk apparatus'19995,930,082'Magnetic head support device for magnetic disc recording device'1999D0402595'Automobile'1998D0396829'Automobile'19985,659,448'Magnetic head supporting mechanism including a slider fixed to a slider spacer by a fixing area smaller than a contact area'19975,481,670'Method and apparatus for backup in a multi-memory device'19965,396,431'Navigation system with position measuring device and aerial photographic storage capability'19955,373,332'Plastic spectacle lens and method for making'19945,336,844'Information storage medium and apparatus for reproducing information therefrom'1994D0347410'Automobile'19945,294,745'Information storage medium and apparatus for reproducing information therefrom'19945,245,600'Apparatus for reproducing from a storage medium information corresponding to each stored musical arrangement and for mixing voice data with music data'19935,243,582'Apparatus for reproducing digital audio information related to musical accompaniments'19935,213,825'Plastic lens molding apparatus'19935,208,679'Apparatus for reproducing information in response to selected image change control information'19935,178,801'Method of molding a plastic lens'1993D0327238'Automobile'19925,113,077'Radiation detection circuit having a signal integrating capacitor, and a data aquisition system for an X-ray scanner including such circuit'19925,103,092'Method and apparatus for detecting X-ray radiation'1992D0324194'Automobile'1992D0323798'Automobile'19924,978,957'High-speed analog-to-digital converter'19904,939,518'Analog to digital converter'19904,916,653'Adder using multi-state logic'19904,875,048'Two-step parallel analog to digital converter'19894,851,845'Encoder'19894,752,766'Analog to digital converter'19884,609,573'Process for inhibiting corrosion of steel materials built in inorganic materials'19864,605,572'Process for inhibiting corrosion of steel materials built in inorganic materials'19864,536,417'Method for repairing and restoring deteriorated cement-containing inorganic material'19854,252,339'Vibration preventive rubber device for automobiles'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2005Patents assigned to HITACHI LTD (27)· patent assignee history
1988–2020Based in Tokyo, JP· patent location history
1992–2009Patents assigned to HONDA MOTOR CO LTD (9)· patent assignee history
1993–1995Patents assigned to PIONEER ELECTRONIC CORP (6)· patent assignee history
1993–1994Based in Kawagoe, JP· patent location history
1997–2014Based in Ibaraki, JP· patent location history
2002–2009Based in Yasato, JP· patent location history
2004–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (15)· patent assignee history
2004–2012Based in Tokorozawa, JP· patent location history
2011–2017Patents assigned to SHIMIZU TOSHIHIKO (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD271988–2005
HITACHI GLOBAL STORAGE TECH152004–2010
HONDA MOTOR CO LTD91992–2009
PIONEER ELECTRONIC CORP61993–1995
SHIMIZU TOSHIHIKOself62011–2017
Locations
LocationPatentsSpan
Ibaraki, JP241997–2014
Yasato, JP162002–2009
Tokyo, JP111988–2020
Tokorozawa, JP82004–2012
Kawagoe, JP61993–1994