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Inventor

Akihoko Ikegaya

Inventor
Hyogo, JP

Overview

3→
Patents
1999–2002
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing25%
C23CCoating metallic material25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
6,428,399'Polishing apparatus for polishing a hard material-coated wafer'20026,193,585'Method of polishing a hard material-coated wafer'20015,855,998'Hard material-coated wafer, method of making same, polishing apparatus and polishing method of hard material-coated wafer'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (3)· patent assignee history
1999–2002Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES31999–2002
Locations
LocationPatentsSpan
Hyogo, JP31999–2002