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Inventor

Ryuji Koga

Inventor
Omuta, JP

Overview

4→
Patents
1992–2021
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.

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
H01LSemiconductor devices17%
H05KPrinted circuits17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C04BLime, magnesia8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
H01JElectric discharge tubes or discharge lamps8%
PatentTitleYear
11,034,623Thermal conductive member and heat dissipation structure including the same202110,615,096Heat dissipation structure for electric circuit device20206,469,259'Wiring board'20025,172,083'Microwave plasma processing apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1992Based in Kitakyushu, JP· patent location history
2002Patents assigned to KYOCERA CORP (1)· patent assignee history
2002Based in Okayama, JP· patent location history
2020–2021Patents assigned to DENKA COMPANY LTD (2)· patent assignee history
2020–2021Based in Omuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENKA COMPANY LTD22020–2021
KYOCERA CORP12002
NIPPON STEEL CORP11992
Locations
LocationPatentsSpan
Omuta, JP22020–2021
Okayama, JP12002
Kitakyushu, JP11992