Hiroshima
Japan
3
2009-07-23
The entities that hold a legal rights for patent applications filed by inventor Oka Yousuke:
Yousuke Oka from Hiroshima, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for managing denitration catalyst
#2 | 2007-05-31Method for restoring performance capabilities of exhaust gas treatment apparatus
#3 | 2006-02-23Method and apparatus for managing denitration catalyst
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