IP Library Granted Patent US 6,801,033
Granted Patent Utility
US 6,801,033 · App. 10/401,360

Voltage converter having switching element with variable substrate potential

Inventors: Minoru Sudo, Jun Osanai
Patented Case View Patent ↗
Granted: Oct 5, 2004 Filed: Mar 28, 2003
Inventors
Minoru Sudo
Jun Osanai
Assignee (at issue)
SEIKO INSTRUMENTS 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.

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 6,801,033
App. No.
10/401,360
Filed
2003-03-28
Granted
2004-10-05
Kind
B2