Inventor

Tomoaki Kawata

Inventor
Tokyo, JP

Overview

7→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

C04Bprimary
C04BLime, magnesia28%
H01BCables11%
H01GCapacitors11%
Y10TTechnical subjects covered by former us classification11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
H01LSemiconductor devices6%
H01PWaveguides6%
H05KPrinted circuits6%
H10KOrganic electric solid-state devices6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2017Patents assigned to TDK CORP (6)· patent assignee history
1998Based in Chiba, JP· patent location history
2001–2017Based in Tokyo, JP· patent location history
2017Patents assigned to TANAKA PRECIOUS METAL IND (1)· patent assignee history
2021Patents assigned to SEMICONDUCTOR ENERGY LAB (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP61998–2017
SEMICONDUCTOR ENERGY LAB12021
TANAKA PRECIOUS METAL IND12017
Locations
LocationPatentsSpan
Tokyo, JP52001–2017
Kanagawa, JP12021
Chiba, JP11998