Inventor

Akira Yoshio

Inventor
Tokyo, JP

Overview

14→
Patents
1980–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1021%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1021%
B24BMachines, devices, or processes for grinding or polishing14%
C23CCoating metallic material7%
C25FProcesses for the electrolytic removal of materials from objects7%
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 tool5%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H05KPrinted circuits5%
B05CApparatus for applying fluent materials to surfaces, in general2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2007Patents assigned to SONY CORP (12)· patent assignee history
1980–2007Based in Tokyo, JP· patent location history
1983Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (1)· patent assignee history
1983Based in Osaka, JP· patent location history
1997–1998Based in Shizuoka, JP· patent location history
1998Patents assigned to SONY DISC TECHNOLOGY INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP121980–2007
MATSUSHITA ELECTRIC WORKS LTD11983
SONY DISC TECHNOLOGY INC11998
Locations
LocationPatentsSpan
Tokyo, JP111980–2007
Shizuoka, JP21997–1998
Osaka, JP11983