Granted Patent
Utility
US 6,810,061 · App. 10/225,286
Discharge electrode and discharge electrode manufacturing method
Inventors:
Tsukasa HORI, Akira Sumitani, Takayuki Yabu, Teiichirou Chiba, Hakaru Mizoguchi, Osamu Wakabayashi, Junichi Fujimoto
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Aug 22, 2002
Inventors
Tsukasa HORI
Akira Sumitani
Takayuki Yabu
Teiichirou Chiba
Hakaru Mizoguchi
Osamu Wakabayashi
Junichi Fujimoto
Assignees (at issue)
KOMATSU LTD.
Gigaphoton 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.