IP Library Granted Patent US 6,661,645
Granted Patent Utility
US 6,661,645 · App. 09/979,751

Solid electrolytic capacitor and manufacturing method thereof

Inventors: Atsushi Sakai, Takashi Ichimura, Hiroshi Nitoh, Naoki Kawamura
Patented Case View Patent ↗
Granted: Dec 9, 2003 Filed: Nov 27, 2001
Inventors
Atsushi Sakai
Takashi Ichimura
Hiroshi Nitoh
Naoki Kawamura
Assignee (at issue)
Showa Denko K.K.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,661,645
App. No.
09/979,751
Filed
2001-11-27
Granted
2003-12-09
Kind
B1