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Inventor

Masakazu Ohkita

Inventor
Osaka, JP

Overview

4→
Patents
1994–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

H01Fprimary
H01FMagnets27%
Y10TTechnical subjects covered by former us classification27%
B22FWorking metallic powder18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
C09JAdhesives9%
PatentTitleYear
6,187,259'Method for preparing rare-earth system sintered magnet'20015,527,504'Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets'19965,486,224'Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets'19965,279,864'Radiation curable primer coating compositions'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to SUMITOMO METAL IND (3)· patent assignee history
1994Patents assigned to NIPPON PAINT CO LTD (1)· patent assignee history
1994–2001Based in Osaka, JP· patent location history
1996–2001Patents assigned to SUMITOMO SPEC METALS (3)· patent assignee history
1996Based in Ashiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO METAL IND31994–1996
SUMITOMO SPEC METALS31996–2001
NIPPON PAINT CO LTD11994
Locations
LocationPatentsSpan
Osaka, JP21994–2001
Ashiya, JP21996