Granted Patent
Utility
US 6,234,225 · App. 09/520,049
Cell electrode with thick tip portion
Inventors:
Mitsutoshi Tanaka, Masashi Ishiyama, Yasuo Aotsuka, Seiji Ishizuka, Kenichi Fukumura, Yoshinobu Katagiri
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Mar 7, 2000
Inventors
Mitsutoshi Tanaka
Masashi Ishiyama
Yasuo Aotsuka
Seiji Ishizuka
Kenichi Fukumura
Yoshinobu Katagiri
Assignee (at issue)
Fujitsu Limited
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.