Granted Patent
Utility
US 6,544,307 · App. 09/769,058
Polishing composition and manufacturing and polishing methods
Inventors:
Hajime Shimamoto, Shoji Ichikawa, Katsumi Kondo, Susumu Abe, Kenji Takenouchi
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jan 25, 2001
Inventors
Hajime Shimamoto
Shoji Ichikawa
Katsumi Kondo
Susumu Abe
Kenji Takenouchi
Assignee (at issue)
Rodel Holdings, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.