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Inventor

Hideo Yamasaki

Inventor
Yokohama, JP

Overview

11→
Patents
1990–2018
Patent span
Physics
Primary field (CPC G)

Patents· 11 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 transducer53%
H02KDynamo-electric machines18%
B60LPropulsion of electrically-propelled vehicles6%
G06KGraphical data reading6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y02TClimate change mitigation technologies related to transportation6%
PatentTitleYear
10,144,305Battery control device, battery system, and movable body20186,808,113'Clock frequency control method and device, and IC card reading/writing apparatus using the same'20045,388,086'Electro-magnetic actuator for driving an objective lens'19955,345,432'Optical head'19945,337,865'Viscoelastic substance and objective lens driving apparatus with the same'19945,319,624'Electromagnetic actuator and optical disk apparatus incorporating the same'19945,317,552'Linear actuator for driving an optical head incorporated in an optical disk'19945,237,557'Optical head having improved reflecting assembly'19935,218,524'Optical disk apparatus'19935,206,762'Viscoelastic substance and objective lens driving apparatus with the same'19934,948,230'Objective lens driving apparatus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2018Patents assigned to TOSHIBA KK (10)· patent assignee history
1990–1995Based in Yokohama, JP· patent location history
2004Patents assigned to FUJITSU LTD (1)· patent assignee history
2004Based in Kawasaki, JP· patent location history
2018Based in Shinagawa-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK101990–2018
FUJITSU LTD12004
Locations
LocationPatentsSpan
Yokohama, JP91990–1995
Shinagawa-ku, JP12018
Kawasaki, JP12004