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Inventor

Shoji Murakami

Inventor
Nakatado-gun, JP

Overview

9→
Patents
1979–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H05Kprimary
H05KPrinted circuits10%
C08JWorking-up7%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals7%
H01HElectric switches7%
H01LSemiconductor devices7%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
Y10TTechnical subjects covered by former us classification7%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool3%
B23KSoldering or unsoldering3%
PatentTitleYear
9,812,621'Semiconductor device and fabrication method for same'20179,698,327'LED illumination module and LED illumination apparatus'20178,960,221'Gas pressure regulating valve'20155,096,559'Cathode roller mechanism'19924,831,466'Magnetic tape recording signal level adjustment device'19894,677,264'Contact material for vacuum circuit breaker'19874,295,112'Residual current transformer'19814,169,023'Electrolytic diaphragms, and method of electrolysis using the same'19794,166,014'Electrolytic diaphragms, and method of electrolysis using the same'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to TOKUYAMA SODA KK (2)· patent assignee history
1979Based in Hikari, JP· patent location history
1981–1992Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1989Based in Hino, JP· patent location history
1992Based in Saijo, JP· patent location history
2015–2017Patents assigned to MURAKAMI SHOJI (2)· patent assignee history
2015Based in Kobe, JP· patent location history
2017Patents assigned to SHIKOKU INSTR CO LTD (2)· patent assignee history
2017Patents assigned to ISHIHARA MASAMICHI (1)· patent assignee history
2017Based in Nakatado-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP31981–1992
MURAKAMI SHOJIself22015–2017
SHIKOKU INSTR CO LTD22017
TOKUYAMA SODA KK21979
ISHIHARA MASAMICHI12017
Locations
LocationPatentsSpan
Nakatado-gun, JP22017
Hikari, JP21979
Kobe, JP12015
Saijo, JP11992
Hino, JP11989