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Inventor

Hideaki Sai

Inventor
Hyogo, JP

Overview

4→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 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 transducer25%
H01LSemiconductor devices25%
H10DInorganic electric semiconductor devices25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
PatentTitleYear
10,998,451ESD protection diode202110,896,903Semiconductor device20216,522,619'Optical pick-up device having a plurality of light sources with different calorific values and method of manufacturing the same'20035,745,470'Head moving apparatus which cancels leakage flux'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2021Patents assigned to TOSHIBA KK (3)· patent assignee history
1998Based in Yokohama, JP· patent location history
2003Patents assigned to SANKYO SEIKI SEISAKUSHO KK (1)· patent assignee history
2003Patents assigned to TOSHIBA CORP (1)· patent assignee history
2003Based in Tokyo, JP· patent location history
2021Patents assigned to TOSHIBA ELECTRONIC DEVICES & STORAGE CORP (2)· patent assignee history
2021Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK31998–2021
TOSHIBA ELECTRONIC DEVICES & STORAGE CORP22021
SANKYO SEIKI SEISAKUSHO KK12003
TOSHIBA CORP12003
Locations
LocationPatentsSpan
Hyogo, JP22021
Tokyo, JP12003
Yokohama, JP11998