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Inventor

Tsutomu Yokota

Inventor
Iruma, JP

Overview

5→
Patents
1994–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers27%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1027%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material9%
B28BShaping clay or other ceramic compositions9%
E04CStructural elements9%
H01LSemiconductor devices9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
10,770,629Light emitting device20207,614,269'Method and device for machining flange part of wheel arch'20096,774,405'Light-emitting device'20046,680,490'Light-emitting device'20045,342,568'Method for prestressing concrete'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to ORIENTAL CONSTRUCTION COMPANY (1)· patent assignee history
1994Based in Inagi, JP· patent location history
2004–2020Patents assigned to SANKEN ELECTRIC CO LTD (3)· patent assignee history
2004Patents assigned to TOYODA GOSEI KK (2)· patent assignee history
2004Based in Iruma, JP· patent location history
2009Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
2009Based in Sayama, JP· patent location history
2020Based in Niiza, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKEN ELECTRIC CO LTD32004–2020
TOYODA GOSEI KK22004
HONDA MOTOR CO LTD12009
ORIENTAL CONSTRUCTION COMPANY11994
Locations
LocationPatentsSpan
Iruma, JP22004
Niiza, JP12020
Sayama, JP12009
Inagi, JP11994